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 United States 223 48.5%
2 China 78 17%
3 Netherlands 53 11.5%
4 Germany 46 10%
5 France 19 4.1%
6 Hong Kong 11 2.4%
7 Portugal 7 1.5%
8 5 1.1%
9 Iran, Islamic Republic of 4 0.9%
10 Senegal 4 0.9%
11 Taiwan 2 0.4%
12 Romania 2 0.4%
13 Australia 2 0.4%
14 Brazil 1 0.2%
15 Canada 1 0.2%
16 Ukraine 1 0.2%
17 United Kingdom 1 0.2%