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 383 61.5%
2 United States 122 19.6%
3 Germany 43 6.9%
4 Canada 27 4.3%
5 Netherlands 10 1.6%
6 Russia 10 1.6%
7 Hong Kong 9 1.4%
8 Japan 7 1.1%
9 Taiwan 4 0.6%
10 Singapore 3 0.5%
11 Ukraine 2 0.3%
12 United Kingdom 1 0.2%
13 South Africa 1 0.2%
14 France 1 0.2%