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 China 74 36.1%
2 United States 63 30.7%
3 Netherlands 24 11.7%
4 Germany 17 8.3%
5 France 6 2.9%
6 India 3 1.5%
7 Australia 3 1.5%
8 Belarus 2 1%
9 Colombia 2 1%
10 Italy 2 1%
11 Taiwan 2 1%
12 United Kingdom 1 0.5%
13 Argentina 1 0.5%
14 Nigeria 1 0.5%
15 Russia 1 0.5%
16 Japan 1 0.5%
17 Korea, Republic of 1 0.5%
18 Canada 1 0.5%