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 44.1%
2 China 22 19.8%
3 United Kingdom 19 17.1%
4 Russia 7 6.3%
5 France 5 4.5%
6 India 2 1.8%
7 Latvia 1 0.9%
8 Netherlands 1 0.9%
9 Poland 1 0.9%
10 Hong Kong 1 0.9%
11 Estonia 1 0.9%
12 Taiwan 1 0.9%
13 Ukraine 1 0.9%