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 353 55%
2 United States 197 30.7%
3 Germany 37 5.8%
4 Canada 13 2%
5 Hong Kong 8 1.2%
6 Ireland 7 1.1%
7 Taiwan 7 1.1%
8 Singapore 4 0.6%
9 Romania 3 0.5%
10 Japan 3 0.5%
11 United Kingdom 3 0.5%
12 Italy 2 0.3%
13 Belgium 2 0.3%
14 France 2 0.3%
15 New Zealand 1 0.2%