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 43.5%
2 China 33 23.9%
3 Russia 13 9.4%
4 United Kingdom 12 8.7%
5 France 6 4.3%
6 Germany 3 2.2%
7 Netherlands 3 2.2%
8 Hong Kong 2 1.4%
9 India 2 1.4%
10 Moldova, Republic of 1 0.7%
11 Spain 1 0.7%
12 Estonia 1 0.7%
13 Finland 1 0.7%