BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 Germany 20 15.2%
2 China 18 13.6%
3 United States 14 10.6%
4 Poland 12 9.1%
5 Netherlands 11 8.3%
6 Brazil 8 6.1%
7 Canada 8 6.1%
8 France 7 5.3%
9 Taiwan 7 5.3%
10 Bolivia, Plurinational State of 5 3.8%
11 India 4 3%
12 Italy 4 3%
13 United Kingdom 3 2.3%
14 Russia 2 1.5%
15 Hong Kong 2 1.5%
16 Chile 2 1.5%
17 Colombia 1 0.8%
18 Ecuador 1 0.8%
19 Japan 1 0.8%
20 Thailand 1 0.8%
21 Ukraine 1 0.8%