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 67 54.5%
2 China 20 16.3%
3 United Kingdom 11 8.9%
4 Russia 7 5.7%
5 France 5 4.1%
6 Germany 2 1.6%
7 India 2 1.6%
8 Korea, Republic of 2 1.6%
9 Latvia 2 1.6%
10 Moldova, Republic of 1 0.8%
11 Netherlands 1 0.8%
12 Poland 1 0.8%
13 Hong Kong 1 0.8%
14 Finland 1 0.8%