Lev1: TOTAL MINING SYSTEM//BLACK SHALE ORE//CHEM BIOL ENVIRONM - 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 | 33 | 26 | 4 | 12 | 18 | 93 |
| 2 | Canada | 14 | 10 | 2 | 1 | 2 | 29 |
| 3 | United States | 7 | 5 | 1 | 3 | 1 | 17 |
| 4 | Germany | 1 | 3 | . | 3 | . | 7 |
| 5 | Poland | . | 1 | . | . | 5 | 6 |
| 6 | China | 1 | 1 | . | 1 | 1 | 4 |
| 7 | Japan | 3 | . | . | . | 1 | 4 |
| 8 | Australia | . | 3 | . | . | . | 3 |
| 9 | Russian Federation | . | . | . | 1 | 2 | 3 |
| 10 | France | . | 1 | . | 1 | . | 2 |
| 11 | India | 1 | . | . | . | 1 | 2 |
| 12 | Pakistan | . | . | . | . | 2 | 2 |
| 13 | Spain | . | . | . | 1 | 1 | 2 |
| 14 | Turkey | . | 1 | . | . | 1 | 2 |
| 15 | Brazil | . | . | 1 | . | . | 1 |
| 16 | Chile | . | . | . | 1 | . | 1 |
| 17 | Egypt | 1 | . | . | . | . | 1 |
| 18 | Jordan | 1 | . | . | . | . | 1 |
| 19 | Korea, Republic of | . | . | . | . | 1 | 1 |
| 20 | Malaysia | . | . | . | . | 1 | 1 |
| 21 | Mexico | . | 1 | . | . | . | 1 |
| 22 | Netherlands | . | . | . | . | 1 | 1 |
| 23 | Sweden | . | . | . | . | 1 | 1 |
| 24 | Switzerland | . | . | . | . | 1 | 1 |
| 25 | United Kingdom | . | . | . | 1 | . | 1 |
Number of publications, full counts |