Lev2: HEAVY METALS//PHYTOREMEDIATION//PHYTOEXTRACTION - 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 | 608 | 935 | 1318 | 2153 | 2758 | 7772 |
2 | United States | 109 | 179 | 234 | 238 | 279 | 1039 |
3 | China | 8 | 24 | 95 | 306 | 578 | 1011 |
4 | Spain | 29 | 78 | 91 | 174 | 209 | 581 |
5 | United Kingdom | 81 | 103 | 131 | 130 | 122 | 567 |
6 | France | 29 | 51 | 88 | 119 | 149 | 436 |
7 | India | 50 | 53 | 62 | 116 | 131 | 412 |
8 | Poland | 29 | 34 | 77 | 99 | 137 | 376 |
9 | Germany | 45 | 63 | 61 | 83 | 84 | 336 |
10 | Canada | 34 | 48 | 43 | 73 | 100 | 298 |
11 | Italy | 16 | 39 | 52 | 94 | 97 | 298 |
12 | Australia | 15 | 30 | 52 | 67 | 95 | 259 |
13 | Belgium | 11 | 32 | 56 | 70 | 53 | 222 |
14 | Japan | 24 | 35 | 38 | 58 | 62 | 217 |
15 | Turkey | 7 | 6 | 50 | 70 | 81 | 214 |
16 | Brazil | 8 | 12 | 39 | 55 | 93 | 207 |
17 | Portugal | 10 | 7 | 19 | 71 | 86 | 193 |
18 | Sweden | 9 | 32 | 24 | 56 | 38 | 159 |
19 | Netherlands | 28 | 25 | 33 | 35 | 26 | 147 |
20 | Czech Republic | 4 | 17 | 21 | 33 | 44 | 119 |
21 | Korea, Republic of | 1 | 6 | 9 | 38 | 63 | 117 |
22 | Russian Federation | 5 | 11 | 23 | 36 | 37 | 112 |
23 | Finland | 3 | 13 | 20 | 35 | 32 | 103 |
24 | Pakistan | . | 2 | 6 | 29 | 66 | 103 |
25 | Iran, Islamic Republic of | 1 | 1 | 1 | 13 | 85 | 101 |
26 | Nigeria | 4 | 4 | 9 | 34 | 45 | 96 |
27 | Egypt | 6 | 14 | 3 | 23 | 39 | 85 |
28 | Mexico | 1 | 7 | 14 | 23 | 40 | 85 |
29 | Slovenia | 2 | 4 | 13 | 28 | 36 | 83 |
30 | Greece | 3 | 10 | 11 | 27 | 30 | 81 |
31 | Switzerland | 8 | 14 | 10 | 27 | 15 | 74 |
32 | Hungary | 4 | 12 | 15 | 23 | 18 | 72 |
33 | Norway | 5 | 19 | 17 | 18 | 13 | 72 |
34 | Argentina | . | 3 | 12 | 22 | 32 | 69 |
35 | New Zealand | 10 | 8 | 19 | 16 | 13 | 66 |
36 | Denmark | 1 | 6 | 14 | 23 | 20 | 64 |
37 | Romania | . | . | 5 | 18 | 41 | 64 |
38 | Taiwan | 7 | 10 | 11 | 11 | 23 | 62 |
39 | Thailand | 1 | 1 | 17 | 25 | 17 | 61 |
40 | Republic of Serbia | . | . | . | 18 | 42 | 60 |
41 | Chile | 5 | 3 | 2 | 19 | 28 | 57 |
42 | South Africa | 4 | 4 | 7 | 12 | 21 | 48 |
43 | Austria | 3 | 5 | 6 | 17 | 15 | 46 |
44 | Ireland | . | 9 | 12 | 12 | 12 | 45 |
45 | Malaysia | 3 | . | 4 | 9 | 27 | 43 |
46 | Slovak Republic | . | 5 | 6 | 14 | 17 | 42 |
47 | Saudi Arabia | 8 | 8 | 5 | 2 | 16 | 39 |
48 | Jordan | . | 1 | 7 | 18 | 12 | 38 |
49 | Bulgaria | 1 | 4 | 5 | 7 | 16 | 33 |
50 | Algeria | . | . | 2 | 8 | 20 | 30 |
51 | Israel | 1 | 4 | 12 | 5 | 6 | 28 |
Number of publications, full counts |