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 28 37.3%
2 United Kingdom 11 14.7%
3 China 10 13.3%
4 Russia 6 8%
5 Ukraine 3 4%
6 Moldova, Republic of 3 4%
7 Estonia 2 2.7%
8 Germany 2 2.7%
9 Canada 2 2.7%
10 India 2 2.7%
11 Hong Kong 1 1.3%
12 Finland 1 1.3%
13 France 1 1.3%
14 Czech Republic 1 1.3%
15 Netherlands 1 1.3%
16 Poland 1 1.3%