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 18 27.7%
2 China 14 21.5%
3 United Kingdom 12 18.5%
4 Estonia 4 6.2%
5 Russia 3 4.6%
6 France 2 3.1%
7 India 2 3.1%
8 Korea, Republic of 2 3.1%
9 Latvia 1 1.5%
10 Netherlands 1 1.5%
11 Poland 1 1.5%
12 Finland 1 1.5%
13 Czech Republic 1 1.5%
14 Germany 1 1.5%
15 Hong Kong 1 1.5%
16 Ukraine 1 1.5%