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 United States 37 32.7%
2 China 36 31.9%
3 United Kingdom 12 10.6%
4 Russia 12 10.6%
5 Ukraine 2 1.8%
6 France 2 1.8%
7 Germany 2 1.8%
8 India 2 1.8%
9 Japan 1 0.9%
10 Latvia 1 0.9%
11 Moldova, Republic of 1 0.9%
12 Netherlands 1 0.9%
13 Poland 1 0.9%
14 Hong Kong 1 0.9%
15 Czech Republic 1 0.9%
16 Finland 1 0.9%