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 24 36.9%
2 Russia 11 16.9%
3 China 6 9.2%
4 United Kingdom 6 9.2%
5 Finland 3 4.6%
6 France 2 3.1%
7 Germany 2 3.1%
8 India 2 3.1%
9 Moldova, Republic of 2 3.1%
10 Estonia 2 3.1%
11 Czech Republic 1 1.5%
12 Ukraine 1 1.5%
13 Netherlands 1 1.5%
14 Poland 1 1.5%
15 Hong Kong 1 1.5%