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 United States 58 29.1%
2 China 46 23.1%
3 Netherlands 15 7.5%
4 Denmark 14 7%
5 Russia 12 6%
6 Mexico 7 3.5%
7 Canada 7 3.5%
8 Israel 6 3%
9 Slovakia 5 2.5%
10 Germany 5 2.5%
11 Egypt 4 2%
12 France 4 2%
13 India 4 2%
14 Moldova, Republic of 2 1%
15 Czech Republic 2 1%
16 Syrian Arab Republic 2 1%
17 United Kingdom 2 1%
18 Bolivia, Plurinational State of 1 0.5%
19 Hong Kong 1 0.5%
20 Sudan 1 0.5%
21 Romania 1 0.5%