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 60 50.4%
2 China 22 18.5%
3 United Kingdom 15 12.6%
4 Russia 8 6.7%
5 France 5 4.2%
6 Ukraine 2 1.7%
7 India 2 1.7%
8 Moldova, Republic of 1 0.8%
9 Netherlands 1 0.8%
10 Germany 1 0.8%
11 Hong Kong 1 0.8%
12 Estonia 1 0.8%