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 49 48%
2 China 18 17.6%
3 United Kingdom 14 13.7%
4 Russia 5 4.9%
5 Netherlands 3 2.9%
6 India 3 2.9%
7 Finland 2 2%
8 France 2 2%
9 Germany 1 1%
10 Hong Kong 1 1%
11 Moldova, Republic of 1 1%
12 Estonia 1 1%
13 Poland 1 1%
14 Ukraine 1 1%