Lev1: ROCK CUTTING//PERCUSSIVE DRILLING//TBM PERFORMANCE - 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 28 46 78 100 216 468
2 United States 7 4 13 13 49 86
3 China 1 1 14 16 51 83
4 Turkey 1 7 18 22 31 79
5 Iran, Islamic Republic of . . 2 7 32 41
6 Australia 1 3 4 5 12 25
7 Sweden 3 10 7 3 2 25
8 Italy . 1 5 7 10 23
9 Poland . . 4 5 13 22
10 Switzerland . . 1 4 12 17
11 Norway . . . 2 10 12
12 Canada 3 1 4 1 1 10
13 Germany . 1 4 1 4 10
14 Japan 1 1 4 1 3 10
15 Korea, Republic of . . . 3 7 10
16 United Kingdom 1 7 1 . 1 10
17 Greece . . 1 5 3 9
18 Russian Federation . 3 2 4 . 9
19 Spain . . 1 3 3 7
20 Taiwan . 1 1 4 1 7
21 Ukraine 3 3 . 1 . 7
22 Austria . . . . 6 6
23 France . . 2 2 2 6
24 Singapore . 1 . 5 . 6
25 Chile . 1 3 1 . 5
26 Czech Republic . . 1 1 3 5
27 Belgium . 2 . . 2 4
28 Finland . . . . 3 3
29 India . . . 1 2 3
30 Netherlands 2 . 1 . . 3
31 Romania . . . 2 1 3
32 Brazil . . . 1 1 2
33 Liechtenstein 1 1 . . . 2
34 South Africa . . 1 . 1 2
35 Denmark . . . . 1 1
36 Egypt . 1 . . . 1
37 Israel 1 . . . . 1
38 Lebanon . . . . 1 1
39 Lithuania . . . . 1 1
40 Pakistan . . . . 1 1
41 Peru . . . 1 . 1
42 Republic of Serbia . . . . 1 1
43 Slovak Republic . . . . 1 1
44 Slovenia . . . . 1 1
45 United Arab Emirates 1 . . . . 1
46 Venezuela . 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 United States 25.0 8.7 16.7 13.0 22.7 18.4
3 China 3.6 2.2 17.9 16.0 23.6 17.7
4 Turkey 3.6 15.2 23.1 22.0 14.4 16.9
5 Iran, Islamic Republic of . . 2.6 7.0 14.8 8.8
6 Australia 3.6 6.5 5.1 5.0 5.6 5.3
7 Sweden 10.7 21.7 9.0 3.0 0.9 5.3
8 Italy . 2.2 6.4 7.0 4.6 4.9
9 Poland . . 5.1 5.0 6.0 4.7
10 Switzerland . . 1.3 4.0 5.6 3.6
11 Norway . . . 2.0 4.6 2.6
12 Canada 10.7 2.2 5.1 1.0 0.5 2.1
13 Germany . 2.2 5.1 1.0 1.9 2.1
14 Japan 3.6 2.2 5.1 1.0 1.4 2.1
15 Korea, Republic of . . . 3.0 3.2 2.1
16 United Kingdom 3.6 15.2 1.3 . 0.5 2.1
17 Greece . . 1.3 5.0 1.4 1.9
18 Russian Federation . 6.5 2.6 4.0 . 1.9
19 Spain . . 1.3 3.0 1.4 1.5
20 Taiwan . 2.2 1.3 4.0 0.5 1.5
21 Ukraine 10.7 6.5 . 1.0 . 1.5
22 Austria . . . . 2.8 1.3
23 France . . 2.6 2.0 0.9 1.3
24 Singapore . 2.2 . 5.0 . 1.3
25 Chile . 2.2 3.8 1.0 . 1.1
26 Czech Republic . . 1.3 1.0 1.4 1.1
27 Belgium . 4.3 . . 0.9 0.9
28 Finland . . . . 1.4 0.6
29 India . . . 1.0 0.9 0.6
30 Netherlands 7.1 . 1.3 . . 0.6
31 Romania . . . 2.0 0.5 0.6
32 Brazil . . . 1.0 0.5 0.4
33 Liechtenstein 3.6 2.2 . . . 0.4
34 South Africa . . 1.3 . 0.5 0.4
35 Denmark . . . . 0.5 0.2
36 Egypt . 2.2 . . . 0.2
37 Israel 3.6 . . . . 0.2
38 Lebanon . . . . 0.5 0.2
39 Lithuania . . . . 0.5 0.2
40 Pakistan . . . . 0.5 0.2
41 Peru . . . 1.0 . 0.2
42 Republic of Serbia . . . . 0.5 0.2
43 Slovak Republic . . . . 0.5 0.2
44 Slovenia . . . . 0.5 0.2
45 United Arab Emirates 3.6 . . . . 0.2
46 Venezuela . 2.2 . . . 0.2

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 0.0 1.5 6.6 12.6 21.0 41.6
2 United States 0.0 0.0 0.0 2.5 8.2 10.7
3 China 0.0 0.0 1.0 2.0 3.0 6.0
4 Turkey 0.0 0.5 2.9 6.3 3.0 12.7
5 Iran, Islamic Republic of . . 0.0 1.7 2.0 3.7
6 Australia 0.0 0.5 0.5 0.0 1.0 2.0
7 Sweden 0.0 0.0 1.0 0.0 0.0 1.0
8 Italy . 0.0 0.5 0.0 1.0 1.5
9 Poland . . 0.0 0.0 1.0 1.0
10 Switzerland . . 0.0 1.0 2.0 3.0
11 Norway . . . 0.0 0.5 0.5
12 Canada 0.0 0.0 0.0 0.0 0.0 0.0
13 Germany . 0.0 0.0 0.0 1.0 1.0
14 Japan 0.0 0.0 0.0 0.0 0.0 0.0
15 Korea, Republic of . . . 0.5 3.0 3.5
16 United Kingdom 0.0 0.0 0.0 . 0.0 0.0
17 Greece . . 0.7 0.0 0.0 0.7
18 Russian Federation . 0.0 0.0 0.0 . 0.0
19 Spain . . 0.0 0.0 1.0 1.0
20 Taiwan . 0.0 0.0 0.5 0.0 0.5
21 Ukraine 0.0 0.5 . 0.0 . 0.5
22 Austria . . . . 1.1 1.1
23 France . . 0.0 0.0 0.0 0.0
24 Singapore . 0.0 . 2.0 . 2.0
25 Chile . 0.0 0.0 0.5 . 0.5
26 Czech Republic . . 0.0 0.0 1.0 1.0
27 Belgium . 0.0 . . 0.8 0.8
28 Finland . . . . 0.1 0.1
29 India . . . 0.0 0.0 0.0
30 Netherlands 0.0 . 1.0 . . 1.0
31 Romania . . . 0.0 0.0 0.0
32 Brazil . . . 0.0 0.0 0.0
33 Liechtenstein 0.0 0.0 . . . 0.0
34 South Africa . . 0.0 . 0.2 0.2
35 Denmark . . . . 0.0 0.0
36 Egypt . 0.0 . . . 0.0
37 Israel 0.0 . . . . 0.0
38 Lebanon . . . . 0.0 0.0
39 Lithuania . . . . 0.0 0.0
40 Pakistan . . . . 0.0 0.0
41 Peru . . . 0.5 . 0.5
42 Republic of Serbia . . . . 0.0 0.0
43 Slovak Republic . . . . 0.0 0.0
44 Slovenia . . . . 0.0 0.0
45 United Arab Emirates 0.0 . . . . 0.0
46 Venezuela . 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 0.0 3.3 8.4 12.6 9.8 8.9
2 United States 0.0 0.0 0.0 15.1 15.9 11.1
3 China 0.0 0.0 5.0 6.0 5.8 5.6
4 Turkey 0.0 8.3 16.0 28.2 10.9 16.7
5 Iran, Islamic Republic of . . 0.0 15.9 3.4 5.5
6 Australia 0.0 16.7 18.8 0.0 7.0 8.8
7 Sweden 0.0 0.0 9.1 0.0 0.0 2.4
8 Italy . 0.0 10.0 0.0 11.9 7.1
9 Poland . . 0.0 0.0 2.7 1.6
10 Switzerland . . 0.0 30.0 17.4 19.7
11 Norway . . . 0.0 6.5 5.1
12 Canada 0.0 0.0 0.0 0.0 0.0 0.0
13 Germany . 0.0 0.0 0.0 28.0 6.7
14 Japan 0.0 0.0 0.0 0.0 0.0 0.0
15 Korea, Republic of . . . 18.8 47.4 38.9
16 United Kingdom 0.0 0.0 0.0 . 0.0 0.0
17 Greece . . 69.4 0.0 0.0 9.1
18 Russian Federation . 0.0 0.0 0.0 . 0.0
19 Spain . . 0.0 0.0 14.3 6.6
20 Taiwan . 0.0 0.0 5.0 0.0 2.9
21 Ukraine 0.0 20.0 . 0.0 . 7.7
22 Austria . . . . 8.1 8.1
23 France . . 0.0 0.0 0.0 0.0
24 Singapore . 0.0 . 58.8 . 43.5
25 Chile . 0.0 0.0 50.0 . 5.6
26 Czech Republic . . 0.0 0.0 33.3 20.0
27 Belgium . 0.0 . . 40.0 11.8
28 Finland . . . . 3.3 3.3
29 India . . . 0.0 0.0 0.0
30 Netherlands 0.0 . 100.0 . . 33.3
31 Romania . . . 0.0 0.0 0.0
32 Brazil . . . 0.0 0.0 0.0
33 Liechtenstein 0.0 0.0 . . . 0.0
34 South Africa . . 0.0 . 15.8 7.9
35 Denmark . . . . 0.0 0.0
36 Egypt . 0.0 . . . 0.0
37 Israel 0.0 . . . . 0.0
38 Lebanon . . . . 0.0 0.0
39 Lithuania . . . . 0.0 0.0
40 Pakistan . . . . 0.0 0.0
41 Peru . . . 50.0 . 50.0
42 Republic of Serbia . . . . 0.0 0.0
43 Slovak Republic . . . . 0.0 0.0
44 Slovenia . . . . 0.0 0.0
45 United Arab Emirates 0.0 . . . . 0.0
46 Venezuela . 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 0.47 0.72 0.85 1.16 1.01 0.95
2 United States 0.40 0.84 0.33 1.46 1.18 1.01
3 China 0.07 1.61 0.66 0.55 0.83 0.75
4 Turkey 0.82 0.80 1.36 1.92 1.46 1.51
5 Iran, Islamic Republic of . . 0.17 1.45 0.59 0.73
6 Australia 1.09 0.91 1.29 0.86 1.17 1.08
7 Sweden 0.98 0.76 0.88 0.69 1.07 0.83
8 Italy . 0.04 1.49 0.57 1.00 0.93
9 Poland . . 0.37 0.78 0.44 0.50
10 Switzerland . . 1.65 2.80 1.62 1.91
11 Norway . . . 0.29 0.91 0.77
12 Canada 0.15 0.34 0.35 1.98 0.65 0.38
13 Germany . 1.88 0.72 1.47 1.62 1.19
14 Japan 0.58 0.10 0.17 0.26 0.28 0.25
15 Korea, Republic of . . . 1.58 2.38 2.14
16 United Kingdom 1.12 0.79 0.55 . 0.44 0.80
17 Greece . . 2.72 0.64 0.20 0.79
18 Russian Federation . 0.26 0.07 0.44 . 0.31
19 Spain . . 0.13 0.45 1.08 0.68
20 Taiwan . 0.32 0.55 0.75 0.09 0.55
21 Ukraine 0.44 1.68 . 0.34 . 0.90
22 Austria . . . . 1.16 1.16
23 France . . 0.14 0.27 1.04 0.50
24 Singapore . 0.00 . 2.95 . 2.18
25 Chile . 0.18 0.40 2.50 . 0.59
26 Czech Republic . . 0.52 0.95 1.69 1.31
27 Belgium . 0.10 . . 2.25 0.73
28 Finland . . . . 1.60 1.60
29 India . . . 0.42 0.29 0.33
30 Netherlands 0.49 . 3.87 . . 1.62
31 Romania . . . 0.03 0.00 0.02
32 Brazil . . . 0.00 0.00 0.00
33 Liechtenstein 0.52 0.21 . . . 0.36
34 South Africa . . 0.42 . 2.50 1.46
35 Denmark . . . . 0.51 0.51
36 Egypt . 0.18 . . . 0.18
37 Israel 0.07 . . . . 0.07
38 Lebanon . . . . 0.22 0.22
39 Lithuania . . . . 1.87 1.87
40 Pakistan . . . . 0.00 0.00
41 Peru . . . 2.50 . 2.50
42 Republic of Serbia . . . . 0.00 0.00
43 Slovak Republic . . . . 0.00 0.00
44 Slovenia . . . . 0.22 0.22
45 United Arab Emirates 0.30 . . . . 0.30
46 Venezuela . 1.10 . . . 1.10

Field normalized citation rate (cf), fractionalized


Bar chart of publication_year