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 277 68.4%
2 United States 51 12.6%
3 Germany 30 7.4%
4 Canada 24 5.9%
5 Singapore 5 1.2%
6 Ireland 4 1%
7 Japan 3 0.7%
8 Hong Kong 3 0.7%
9 Mali 2 0.5%
10 Netherlands 2 0.5%
11 Poland 2 0.5%
12 Taiwan 1 0.2%
13 United Kingdom 1 0.2%