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 42 43.3%
2 China 19 19.6%
3 Russia 11 11.3%
4 United Kingdom 11 11.3%
5 Korea, Republic of 4 4.1%
6 France 3 3.1%
7 India 2 2.1%
8 Germany 1 1%
9 Hong Kong 1 1%
10 Estonia 1 1%
11 Finland 1 1%
12 Latvia 1 1%