BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 103 52.6%
2 United States 45 23%
3 United Kingdom 13 6.6%
4 Germany 8 4.1%
5 Russia 5 2.6%
6 France 3 1.5%
7 Czech Republic 3 1.5%
8 India 3 1.5%
9 Japan 3 1.5%
10 Korea, Republic of 3 1.5%
11 Netherlands 1 0.5%
12 Poland 1 0.5%
13 Estonia 1 0.5%
14 Finland 1 0.5%
15 Singapore 1 0.5%
16 Ukraine 1 0.5%
17 Hong Kong 1 0.5%