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 39 42.4%
2 China 19 20.7%
3 United Kingdom 10 10.9%
4 Russia 8 8.7%
5 Germany 6 6.5%
6 India 2 2.2%
7 Netherlands 2 2.2%
8 Poland 2 2.2%
9 Latvia 1 1.1%
10 Hong Kong 1 1.1%
11 Estonia 1 1.1%
12 France 1 1.1%