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 244 65.9%
2 United States 57 15.4%
3 Germany 33 8.9%
4 Canada 15 4.1%
5 Hong Kong 5 1.4%
6 Singapore 4 1.1%
7 Taiwan 4 1.1%
8 United Kingdom 2 0.5%
9 India 2 0.5%
10 Japan 2 0.5%
11 Netherlands 1 0.3%
12 Russia 1 0.3%