Lev1: CARBONATITE//OLDOINYO LENGAI//NATROCARBONATITE - Statistics for Countries

Statistics per Country

Number of publications, full counts

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 196 271 206 209 223 1105
2 Russian Federation 23 91 60 82 66 322
3 United Kingdom 41 49 37 37 39 203
4 Canada 27 45 26 22 33 153
5 China 5 9 33 38 32 117
6 United States 28 29 20 17 23 117
7 Germany 13 26 26 18 30 113
8 India 17 26 18 11 17 89
9 Italy 6 15 14 14 14 63
10 Australia 7 6 8 9 21 51
11 France 5 8 10 8 11 42
12 Brazil 3 7 10 7 12 39
13 South Africa 3 16 6 2 5 32
14 USSR 32 . . . . 32
15 Switzerland 1 1 2 9 9 22
16 Hungary 2 4 3 5 7 21
17 Spain 1 2 2 4 6 15
18 Czech Republic 1 1 . 2 10 14
19 Japan 2 2 3 3 4 14
20 Sweden 1 1 1 5 4 12
21 Belgium 1 1 2 5 2 11
22 Norway 4 1 2 2 1 10
23 Finland 3 1 1 . 4 9
24 New Zealand 3 3 1 1 1 9
25 Denmark 3 4 1 . . 8
26 Slovak Republic 1 3 . 1 2 7
27 Angola 2 . . . 4 6
28 Ireland . . . 2 4 6
29 Korea, Republic of . . 2 4 . 6
30 Argentina . . 1 2 2 5
31 Austria . . 1 2 2 5
32 Morocco 1 1 2 . 1 5
33 Turkey . . 1 1 3 5
34 Netherlands 3 1 . . . 4
35 Portugal . . 2 . 2 4
36 Tanzania . . . 2 2 4
37 Iceland . . . 1 2 3
38 Tajikistan . 1 . . 2 3
39 Egypt . . . . 2 2
40 Estonia . . . 2 . 2
41 Ghana . . . 1 1 2
42 Oman . . 1 . 1 2
43 Qatar . 1 1 . . 2
44 Sri Lanka . . 1 . 1 2
45 Taiwan . . 1 . 1 2
46 Algeria . 1 . . . 1
47 Armenia . . . 1 . 1
48 Bolivia . . 1 . . 1
49 Costa Rica . . . . 1 1
50 Czechoslovakia 1 . . . . 1
51 Kenya 1 . . . . 1
52 Kuwait . . 1 . . 1
53 Madagascar . . . . 1 1
54 Mexico 1 . . . . 1
55 Mozambique . . 1 . . 1
56 Namibia . . . 1 . 1
57 Pakistan . 1 . . . 1
58 Syrian Arab Republic 1 . . . . 1
59 Uganda . . . . 1 1
60 Ukraine . . . 1 . 1
61 Uzbekistan . . . 1 . 1
62 Venezuela . . . 1 . 1
63 Zambia 1 . . . . 1

Number of publications, full counts



Bar chart of publication_year

Share of the total number of publications in the field, full counts (%)

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 100.0 100.0 100.0 100.0 100.0 100.0
2 Russian Federation 11.7 33.6 29.1 39.2 29.6 29.1
3 United Kingdom 20.9 18.1 18.0 17.7 17.5 18.4
4 Canada 13.8 16.6 12.6 10.5 14.8 13.8
5 China 2.6 3.3 16.0 18.2 14.3 10.6
6 United States 14.3 10.7 9.7 8.1 10.3 10.6
7 Germany 6.6 9.6 12.6 8.6 13.5 10.2
8 India 8.7 9.6 8.7 5.3 7.6 8.1
9 Italy 3.1 5.5 6.8 6.7 6.3 5.7
10 Australia 3.6 2.2 3.9 4.3 9.4 4.6
11 France 2.6 3.0 4.9 3.8 4.9 3.8
12 Brazil 1.5 2.6 4.9 3.3 5.4 3.5
13 South Africa 1.5 5.9 2.9 1.0 2.2 2.9
14 USSR 16.3 . . . . 2.9
15 Switzerland 0.5 0.4 1.0 4.3 4.0 2.0
16 Hungary 1.0 1.5 1.5 2.4 3.1 1.9
17 Spain 0.5 0.7 1.0 1.9 2.7 1.4
18 Czech Republic 0.5 0.4 . 1.0 4.5 1.3
19 Japan 1.0 0.7 1.5 1.4 1.8 1.3
20 Sweden 0.5 0.4 0.5 2.4 1.8 1.1
21 Belgium 0.5 0.4 1.0 2.4 0.9 1.0
22 Norway 2.0 0.4 1.0 1.0 0.4 0.9
23 Finland 1.5 0.4 0.5 . 1.8 0.8
24 New Zealand 1.5 1.1 0.5 0.5 0.4 0.8
25 Denmark 1.5 1.5 0.5 . . 0.7
26 Slovak Republic 0.5 1.1 . 0.5 0.9 0.6
27 Angola 1.0 . . . 1.8 0.5
28 Ireland . . . 1.0 1.8 0.5
29 Korea, Republic of . . 1.0 1.9 . 0.5
30 Argentina . . 0.5 1.0 0.9 0.5
31 Austria . . 0.5 1.0 0.9 0.5
32 Morocco 0.5 0.4 1.0 . 0.4 0.5
33 Turkey . . 0.5 0.5 1.3 0.5
34 Netherlands 1.5 0.4 . . . 0.4
35 Portugal . . 1.0 . 0.9 0.4
36 Tanzania . . . 1.0 0.9 0.4
37 Iceland . . . 0.5 0.9 0.3
38 Tajikistan . 0.4 . . 0.9 0.3
39 Egypt . . . . 0.9 0.2
40 Estonia . . . 1.0 . 0.2
41 Ghana . . . 0.5 0.4 0.2
42 Oman . . 0.5 . 0.4 0.2
43 Qatar . 0.4 0.5 . . 0.2
44 Sri Lanka . . 0.5 . 0.4 0.2
45 Taiwan . . 0.5 . 0.4 0.2
46 Algeria . 0.4 . . . 0.1
47 Armenia . . . 0.5 . 0.1
48 Bolivia . . 0.5 . . 0.1
49 Costa Rica . . . . 0.4 0.1
50 Czechoslovakia 0.5 . . . . 0.1
51 Kenya 0.5 . . . . 0.1
52 Kuwait . . 0.5 . . 0.1
53 Madagascar . . . . 0.4 0.1
54 Mexico 0.5 . . . . 0.1
55 Mozambique . . 0.5 . . 0.1
56 Namibia . . . 0.5 . 0.1
57 Pakistan . 0.4 . . . 0.1
58 Syrian Arab Republic 0.5 . . . . 0.1
59 Uganda . . . . 0.4 0.1
60 Ukraine . . . 0.5 . 0.1
61 Uzbekistan . . . 0.5 . 0.1
62 Venezuela . . . 0.5 . 0.1
63 Zambia 0.5 . . . . 0.1

Share of the total number of publications in the field, full counts (%)



Bar chart of publication_year

Number of publications among 10% most cited in field, full counts

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 14.5 10.6 6.9 7.4 14.9 54.3
2 Russian Federation 2.0 1.5 0.5 2.6 2.0 8.6
3 United Kingdom 6.5 3.5 3.5 4.1 6.0 23.6
4 Canada 2.0 4.5 1.0 2.6 6.7 16.9
5 China 1.0 0.0 0.5 1.0 2.9 5.4
6 United States 0.5 1.0 3.4 0.1 4.3 9.4
7 Germany 3.5 2.5 1.5 2.2 2.1 11.7
8 India 1.0 0.0 0.0 0.0 0.0 1.0
9 Italy 0.0 0.5 0.0 0.5 0.5 1.5
10 Australia 1.0 1.0 0.0 0.0 3.2 5.2
11 France 0.0 0.0 0.0 0.0 1.0 1.0
12 Brazil 0.0 0.0 0.0 0.0 0.0 0.0
13 South Africa 0.0 1.6 0.0 0.0 0.0 1.6
14 USSR 1.0 . . . . 1.0
15 Switzerland 1.0 0.0 0.0 0.0 1.0 2.0
16 Hungary 0.0 0.5 0.0 0.0 0.2 0.7
17 Spain 0.0 1.5 0.0 0.0 0.0 1.5
18 Czech Republic 0.0 0.0 . 0.0 1.0 1.0
19 Japan 0.0 1.0 0.0 0.0 0.3 1.3
20 Sweden 0.0 0.0 0.0 0.0 0.0 0.0
21 Belgium 0.0 0.0 0.0 0.5 0.0 0.5
22 Norway 0.0 0.0 0.0 0.0 0.0 0.0
23 Finland 1.0 0.0 0.0 . 0.0 1.0
24 New Zealand 0.0 0.0 0.0 0.0 0.0 0.0
25 Denmark 0.0 1.0 0.0 . . 1.0
26 Slovak Republic 0.0 0.0 . 0.0 0.0 0.0
27 Angola 0.0 . . . 0.0 0.0
28 Ireland . . . 0.0 0.0 0.0
29 Korea, Republic of . . 0.0 0.0 . 0.0
30 Argentina . . 0.0 0.0 0.0 0.0
31 Austria . . 0.5 0.0 0.0 0.5
32 Morocco 0.0 0.0 0.0 . 0.0 0.0
33 Turkey . . 0.0 0.0 0.0 0.0
34 Netherlands 0.5 0.0 . . . 0.5
35 Portugal . . 0.0 . 0.0 0.0
36 Tanzania . . . 0.0 0.8 0.8
37 Iceland . . . 0.0 0.0 0.0
38 Tajikistan . 0.0 . . 0.0 0.0
39 Egypt . . . . 0.0 0.0
40 Estonia . . . 0.0 . 0.0
41 Ghana . . . 0.0 0.0 0.0
42 Oman . . 0.0 . 0.0 0.0
43 Qatar . 0.0 0.0 . . 0.0
44 Sri Lanka . . 0.0 . 0.0 0.0
45 Taiwan . . 0.0 . 0.0 0.0
46 Algeria . 0.0 . . . 0.0
47 Armenia . . . 0.0 . 0.0
48 Bolivia . . 0.0 . . 0.0
49 Costa Rica . . . . 0.8 0.8
50 Czechoslovakia 0.0 . . . . 0.0
51 Kenya 0.0 . . . . 0.0
52 Kuwait . . 0.0 . . 0.0
53 Madagascar . . . . 0.0 0.0
54 Mexico 0.0 . . . . 0.0
55 Mozambique . . 0.0 . . 0.0
56 Namibia . . . 0.0 . 0.0
57 Pakistan . 0.0 . . . 0.0
58 Syrian Arab Republic 0.0 . . . . 0.0
59 Uganda . . . . 0.0 0.0
60 Ukraine . . . 0.0 . 0.0
61 Uzbekistan . . . 0.0 . 0.0
62 Venezuela . . . 0.0 . 0.0
63 Zambia 0.0 . . . . 0.0

Number of publications among 10% most cited in field, full counts



Bar chart of publication_year

Share of publications among 10% most cited in field, fractionalized (%)

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 7.4 3.9 3.4 3.5 6.7 4.9
2 Russian Federation 4.9 0.8 0.3 1.3 1.5 1.3
3 United Kingdom 17.5 5.2 11.4 9.6 12.2 11.0
4 Canada 4.9 7.5 2.9 12.7 25.8 9.8
5 China 14.5 0.0 1.9 3.1 6.2 3.5
6 United States 1.1 3.4 16.9 1.2 19.2 7.3
7 Germany 21.4 6.4 5.5 10.5 5.2 8.5
8 India 6.9 0.0 0.0 0.0 0.0 1.3
9 Italy 0.0 2.1 0.0 6.2 2.8 2.4
10 Australia 16.9 16.1 0.0 0.0 8.6 9.3
11 France 0.0 0.0 0.0 0.0 2.8 0.8
12 Brazil 0.0 0.0 0.0 0.0 0.0 0.0
13 South Africa 0.0 8.3 0.0 0.0 0.0 5.1
14 USSR 3.2 . . . . 3.2
15 Switzerland 100.0 0.0 0.0 0.0 17.8 15.6
16 Hungary 0.0 6.3 0.0 0.0 4.8 2.9
17 Spain 0.0 75.0 0.0 0.0 0.0 6.4
18 Czech Republic 0.0 0.0 . 0.0 8.4 5.7
19 Japan 0.0 42.9 0.0 0.0 8.2 9.1
20 Sweden 0.0 0.0 0.0 0.0 0.0 0.0
21 Belgium 0.0 0.0 0.0 8.5 0.0 3.6
22 Norway 0.0 0.0 0.0 0.0 0.0 0.0
23 Finland 11.1 0.0 0.0 . 0.0 4.2
24 New Zealand 0.0 0.0 0.0 0.0 0.0 0.0
25 Denmark 0.0 20.0 0.0 . . 6.5
26 Slovak Republic 0.0 0.0 . 0.0 0.0 0.0
27 Angola 0.0 . . . 0.0 0.0
28 Ireland . . . 0.0 0.0 0.0
29 Korea, Republic of . . 0.0 0.0 . 0.0
30 Argentina . . 0.0 0.0 0.0 0.0
31 Austria . . 50.0 0.0 0.0 13.3
32 Morocco 0.0 0.0 0.0 . 0.0 0.0
33 Turkey . . 0.0 0.0 0.0 0.0
34 Netherlands 11.5 0.0 . . . 6.0
35 Portugal . . 0.0 . 0.0 0.0
36 Tanzania . . . 0.0 40.9 14.1
37 Iceland . . . 0.0 0.0 0.0
38 Tajikistan . 0.0 . . 0.0 0.0
39 Egypt . . . . 0.0 0.0
40 Estonia . . . 0.0 . 0.0
41 Ghana . . . 0.0 0.0 0.0
42 Oman . . 0.0 . 0.0 0.0
43 Qatar . 0.0 0.0 . . 0.0
44 Sri Lanka . . 0.0 . 0.0 0.0
45 Taiwan . . 0.0 . 0.0 0.0
46 Algeria . 0.0 . . . 0.0
47 Armenia . . . 0.0 . 0.0
48 Bolivia . . 0.0 . . 0.0
49 Costa Rica . . . . 81.9 81.9
50 Czechoslovakia 0.0 . . . . 0.0
51 Kenya 0.0 . . . . 0.0
52 Kuwait . . 0.0 . . 0.0
53 Madagascar . . . . 0.0 0.0
54 Mexico 0.0 . . . . 0.0
55 Mozambique . . 0.0 . . 0.0
56 Namibia . . . 0.0 . 0.0
57 Pakistan . 0.0 . . . 0.0
58 Syrian Arab Republic 0.0 . . . . 0.0
59 Uganda . . . . 0.0 0.0
60 Ukraine . . . 0.0 . 0.0
61 Uzbekistan . . . 0.0 . 0.0
62 Venezuela . . . 0.0 . 0.0
63 Zambia 0.0 . . . . 0.0

Share of publications among 10% most cited in field, fractionalized (%)



Bar chart of publication_year

Field normalized citation rate (cf), fractionalized

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 0.82 0.69 0.65 0.67 0.87 0.74
2 Russian Federation 0.38 0.25 0.26 0.33 0.43 0.32
3 United Kingdom 1.44 1.01 1.22 1.20 1.56 1.26
4 Canada 0.94 0.96 1.07 1.20 2.04 1.18
5 China 1.62 0.28 0.51 0.70 1.02 0.71
6 United States 1.09 1.09 1.18 0.81 1.32 1.11
7 Germany 1.61 0.84 0.84 1.22 0.88 1.00
8 India 0.48 0.40 0.30 0.36 0.34 0.38
9 Italy 0.77 1.15 0.82 0.94 0.64 0.89
10 Australia 1.34 1.12 1.03 0.49 1.12 1.09
11 France 0.64 0.53 0.56 1.09 0.60 0.66
12 Brazil 0.47 0.50 0.50 0.64 0.45 0.50
13 South Africa 0.63 0.96 0.82 0.46 0.67 0.86
14 USSR 0.14 . . . . 0.14
15 Switzerland 4.20 2.14 0.28 0.40 1.30 1.15
16 Hungary 0.44 0.81 0.52 0.71 1.09 0.77
17 Spain 1.53 2.78 0.88 0.62 0.75 0.93
18 Czech Republic 0.60 0.23 . 1.32 1.11 0.96
19 Japan 1.30 1.68 0.16 0.10 0.69 0.67
20 Sweden 0.67 1.05 0.33 0.54 0.19 0.51
21 Belgium 0.16 0.04 1.74 1.11 0.95 0.96
22 Norway 0.45 1.27 0.22 0.98 0.62 0.61
23 Finland 0.60 0.50 0.18 . 0.75 0.63
24 New Zealand 0.61 0.60 0.58 0.16 0.13 0.44
25 Denmark 0.43 1.64 0.87 . . 0.86
26 Slovak Republic 0.60 0.18 . 0.06 0.28 0.21
27 Angola 0.40 . . . 1.04 0.81
28 Ireland . . . 0.70 0.53 0.59
29 Korea, Republic of . . 0.17 0.87 . 0.58
30 Argentina . . 0.22 0.36 0.39 0.32
31 Austria . . 1.99 0.13 0.54 0.78
32 Morocco 0.13 0.00 0.60 . 0.99 0.36
33 Turkey . . 0.50 0.00 0.86 0.47
34 Netherlands 0.71 0.22 . . . 0.48
35 Portugal . . 0.84 . 0.76 0.81
36 Tanzania . . . 0.63 1.52 0.94
37 Iceland . . . 0.75 0.44 0.50
38 Tajikistan . 0.00 . . 0.04 0.03
39 Egypt . . . . 0.15 0.15
40 Estonia . . . 0.06 . 0.06
41 Ghana . . . 0.22 0.00 0.04
42 Oman . . 0.04 . 0.64 0.24
43 Qatar . 0.09 0.04 . . 0.07
44 Sri Lanka . . 0.44 . 0.17 0.26
45 Taiwan . . 1.48 . 0.00 0.63
46 Algeria . 0.33 . . . 0.33
47 Armenia . . . 0.00 . 0.00
48 Bolivia . . 0.66 . . 0.66
49 Costa Rica . . . . 2.41 2.41
50 Czechoslovakia 0.12 . . . . 0.12
51 Kenya 0.23 . . . . 0.23
52 Kuwait . . 0.49 . . 0.49
53 Madagascar . . . . 0.66 0.66
54 Mexico 0.16 . . . . 0.16
55 Mozambique . . 0.09 . . 0.09
56 Namibia . . . 1.76 . 1.76
57 Pakistan . 0.29 . . . 0.29
58 Syrian Arab Republic 0.04 . . . . 0.04
59 Uganda . . . . 0.47 0.47
60 Ukraine . . . 0.00 . 0.00
61 Uzbekistan . . . 0.70 . 0.70
62 Venezuela . . . 0.53 . 0.53
63 Zambia 0.19 . . . . 0.19

Field normalized citation rate (cf), fractionalized



Bar chart of publication_year