Lev1: ILLITE SMECTITE//CLAYS AND CLAY MINERALS//CLAY MINERALS - 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 | 324 | 356 | 304 | 239 | 221 | 1444 |
| 2 | United States | 109 | 111 | 63 | 41 | 43 | 367 |
| 3 | France | 59 | 82 | 56 | 47 | 46 | 290 |
| 4 | Spain | 17 | 33 | 56 | 35 | 26 | 167 |
| 5 | United Kingdom | 41 | 29 | 21 | 20 | 17 | 128 |
| 6 | Russian Federation | 5 | 28 | 32 | 32 | 15 | 112 |
| 7 | Germany | 15 | 15 | 18 | 19 | 24 | 91 |
| 8 | Japan | 21 | 19 | 15 | 23 | 10 | 88 |
| 9 | Italy | 10 | 17 | 22 | 24 | 9 | 82 |
| 10 | Switzerland | 9 | 25 | 19 | 8 | 9 | 70 |
| 11 | Poland | 10 | 17 | 15 | 8 | 12 | 62 |
| 12 | Canada | 27 | 14 | 6 | 8 | 6 | 61 |
| 13 | China | 1 | 4 | 16 | 13 | 21 | 55 |
| 14 | Australia | 7 | 7 | 12 | 4 | 22 | 52 |
| 15 | Turkey | . | 4 | 7 | 8 | 14 | 33 |
| 16 | Hungary | 3 | 8 | 8 | 3 | 2 | 24 |
| 17 | Slovak Republic | . | 12 | 8 | 3 | 1 | 24 |
| 18 | Brazil | . | 4 | 5 | 9 | 4 | 22 |
| 19 | Greece | 3 | 7 | 3 | 6 | 2 | 21 |
| 20 | Korea, Republic of | 1 | 4 | 7 | 4 | 5 | 21 |
| 21 | Denmark | 5 | 6 | 7 | 2 | . | 20 |
| 22 | Chile | . | 2 | 12 | 2 | 2 | 18 |
| 23 | India | 2 | 3 | 5 | 4 | 4 | 18 |
| 24 | Argentina | 1 | 1 | 3 | 7 | 5 | 17 |
| 25 | Austria | 3 | 4 | 6 | 2 | 2 | 17 |
| 26 | Israel | 6 | 3 | 4 | 3 | 1 | 17 |
| 27 | Czech Republic | . | 4 | 4 | 6 | 2 | 16 |
| 28 | Norway | 5 | 7 | 2 | . | 1 | 15 |
| 29 | New Zealand | 2 | 5 | 6 | . | 1 | 14 |
| 30 | South Africa | 5 | 3 | 1 | 2 | 1 | 12 |
| 31 | Sweden | 3 | 3 | 3 | . | 2 | 11 |
| 32 | Belgium | 2 | 1 | 2 | 1 | 3 | 9 |
| 33 | Estonia | 1 | 1 | 1 | 4 | 1 | 8 |
| 34 | Mexico | 1 | 1 | 4 | 1 | 1 | 8 |
| 35 | Morocco | 1 | 4 | . | 2 | . | 7 |
| 36 | Portugal | . | 1 | . | 4 | 2 | 7 |
| 37 | Czechoslovakia | 6 | . | . | . | . | 6 |
| 38 | Egypt | . | . | 1 | 2 | 3 | 6 |
| 39 | Taiwan | 1 | 2 | 1 | 1 | 1 | 6 |
| 40 | Netherlands | 2 | 1 | . | . | 2 | 5 |
| 41 | Bulgaria | . | 1 | 2 | 1 | . | 4 |
| 42 | USSR | 4 | . | . | . | . | 4 |
| 43 | Ethiopia | . | 2 | . | . | 1 | 3 |
| 44 | Finland | 1 | . | . | . | 2 | 3 |
| 45 | Romania | . | 1 | 1 | . | 1 | 3 |
| 46 | Saudi Arabia | . | . | . | . | 3 | 3 |
| 47 | Cameroon | . | . | . | 2 | . | 2 |
| 48 | Croatia | . | 1 | . | . | 1 | 2 |
| 49 | Ecuador | . | . | 1 | 1 | . | 2 |
| 50 | Indonesia | 1 | 1 | . | . | . | 2 |
| 51 | Iran, Islamic Republic of | . | 1 | . | . | 1 | 2 |
Number of publications, full counts |