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 China 58 39.2%
2 United States 55 37.2%
3 United Kingdom 13 8.8%
4 Russia 8 5.4%
5 Estonia 4 2.7%
6 Netherlands 3 2%
7 India 2 1.4%
8 Czech Republic 1 0.7%
9 Finland 1 0.7%
10 France 1 0.7%
11 Germany 1 0.7%
12 Hong Kong 1 0.7%