BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 461 42.4%
2 United States 272 25%
3 Netherlands 59 5.4%
4 Germany 53 4.9%
5 India 38 3.5%
6 Russia 32 2.9%
7 France 28 2.6%
8 Korea, Republic of 20 1.8%
9 Canada 15 1.4%
10 Japan 12 1.1%
11 Kenya 11 1%
12 Turkey 9 0.8%
13 Thailand 7 0.6%
14 Sweden 6 0.6%
15 Singapore 5 0.5%
16 Hong Kong 5 0.5%
17 Italy 4 0.4%
18 Brazil 4 0.4%
19 Spain 4 0.4%
20 Ukraine 3 0.3%
21 Mauritius 3 0.3%
22 Poland 3 0.3%
23 Greece 3 0.3%
24 Ireland 3 0.3%
25 Israel 3 0.3%
26 Argentina 2 0.2%
27 Austria 2 0.2%
28 Belgium 2 0.2%
29 Ghana 2 0.2%
30 Finland 2 0.2%
31 Mexico 2 0.2%
32 Moldova, Republic of 2 0.2%
33 Kyrgyzstan 2 0.2%
34 United Kingdom 2 0.2%
35 Taiwan 2 0.2%
36 Senegal 1 0.1%
37 Romania 1 0.1%
38 Nigeria 1 0.1%
39 North Macedonia 1 0.1%