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 193 60.5%
2 United States 49 15.4%
3 Germany 29 9.1%
4 Canada 19 6%
5 Hong Kong 9 2.8%
6 Mexico 4 1.3%
7 France 4 1.3%
8 Singapore 4 1.3%
9 Russia 3 0.9%
10 Taiwan 2 0.6%
11 United Kingdom 1 0.3%
12 Japan 1 0.3%
13 1 0.3%