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 358 45.2%
2 United States 222 28%
3 Netherlands 97 12.2%
4 Germany 32 4%
5 Canada 23 2.9%
6 Taiwan 19 2.4%
7 Hong Kong 18 2.3%
8 France 5 0.6%
9 Russia 3 0.4%
10 Singapore 3 0.4%
11 Japan 3 0.4%
12 Finland 3 0.4%
13 Luxembourg 2 0.3%
14 South Africa 2 0.3%
15 Italy 1 0.1%
16 Brazil 1 0.1%