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 38 37.3%
2 China 30 29.4%
3 Russia 12 11.8%
4 United Kingdom 8 7.8%
5 France 4 3.9%
6 Japan 2 2%
7 Latvia 2 2%
8 Moldova, Republic of 1 1%
9 Netherlands 1 1%
10 Hong Kong 1 1%
11 Estonia 1 1%
12 Finland 1 1%
13 Ukraine 1 1%