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 |