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 438 43%
2 United States 197 19.3%
3 Netherlands 188 18.4%
4 Germany 94 9.2%
5 France 38 3.7%
6 Sweden 14 1.4%
7 Canada 14 1.4%
8 Ireland 7 0.7%
9 Macao 6 0.6%
10 Russia 4 0.4%
11 Korea, Republic of 4 0.4%
12 Hong Kong 3 0.3%
13 Australia 3 0.3%
14 Taiwan 3 0.3%
15 United Kingdom 3 0.3%
16 India 2 0.2%
17 Finland 1 0.1%