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 47 51.1%
2 China 12 13%
3 United Kingdom 11 12%
4 Russia 7 7.6%
5 Netherlands 2 2.2%
6 Germany 2 2.2%
7 India 2 2.2%
8 Moldova, Republic of 1 1.1%
9 Hong Kong 1 1.1%
10 Czech Republic 1 1.1%
11 Estonia 1 1.1%
12 Finland 1 1.1%
13 France 1 1.1%
14 Poland 1 1.1%
15 Romania 1 1.1%
16 Ukraine 1 1.1%