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 215 56.7%
2 United States 89 23.5%
3 Germany 35 9.2%
4 Canada 9 2.4%
5 United Kingdom 5 1.3%
6 Hong Kong 5 1.3%
7 Japan 4 1.1%
8 Russia 3 0.8%
9 Sweden 2 0.5%
10 Taiwan 2 0.5%
11 Korea, Republic of 2 0.5%
12 Mexico 2 0.5%
13 Netherlands 2 0.5%
14 New Zealand 2 0.5%
15 Ireland 1 0.3%
16 Singapore 1 0.3%