Lev1: KUPFERSCHIEFER//ENVIRONM POLLUT ANAL//ANCIENT ORGANIC MATTER - 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 | 40 | 35 | 26 | 30 | 26 | 157 |
2 | Poland | 15 | 12 | 9 | 12 | 12 | 60 |
3 | Germany | 12 | 12 | 10 | 3 | 6 | 43 |
4 | China | 1 | 4 | 6 | 4 | 7 | 22 |
5 | Russian Federation | 4 | 5 | 3 | 3 | 1 | 16 |
6 | Canada | 4 | 1 | 1 | 6 | 1 | 13 |
7 | United States | 6 | 2 | 2 | 2 | 1 | 13 |
8 | United Kingdom | . | 1 | 3 | 2 | 1 | 7 |
9 | Australia | 1 | 1 | 3 | . | . | 5 |
10 | Austria | . | . | 4 | . | . | 4 |
11 | USSR | 4 | . | . | . | . | 4 |
12 | France | . | 1 | . | 2 | . | 3 |
13 | South Africa | 1 | 1 | . | 1 | . | 3 |
14 | Switzerland | . | . | . | 1 | 2 | 3 |
15 | Finland | 1 | . | . | . | 1 | 2 |
16 | Netherlands | 2 | . | . | . | . | 2 |
17 | Algeria | . | 1 | . | . | . | 1 |
18 | Belgium | . | . | . | 1 | . | 1 |
19 | Botswana | . | 1 | . | . | . | 1 |
20 | Bulgaria | . | 1 | . | . | . | 1 |
21 | Czech Republic | . | . | . | . | 1 | 1 |
22 | Czechoslovakia | 1 | . | . | . | . | 1 |
23 | Denmark | . | . | 1 | . | . | 1 |
24 | Japan | 1 | . | . | . | . | 1 |
25 | Namibia | . | . | . | 1 | . | 1 |
26 | Norway | 1 | . | . | . | . | 1 |
27 | Spain | . | . | 1 | . | . | 1 |
Number of publications, full counts |