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 158 47.2%
2 United States 64 19.1%
3 Germany 40 11.9%
4 Canada 21 6.3%
5 Taiwan 19 5.7%
6 Hong Kong 8 2.4%
7 Ireland 7 2.1%
8 France 5 1.5%
9 Japan 3 0.9%
10 Korea, Republic of 3 0.9%
11 Russia 2 0.6%
12 Singapore 2 0.6%
13 Tajikistan 2 0.6%
14 India 1 0.3%