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 45 36.3%
2 United States 41 33.1%
3 United Kingdom 12 9.7%
4 Russia 8 6.5%
5 France 8 6.5%
6 Netherlands 3 2.4%
7 Estonia 2 1.6%
8 Ukraine 1 0.8%
9 Germany 1 0.8%
10 Hong Kong 1 0.8%
11 Latvia 1 0.8%
12 Moldova, Republic of 1 0.8%