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 57 41%
2 China 33 23.7%
3 United Kingdom 17 12.2%
4 Russia 8 5.8%
5 France 8 5.8%
6 Taiwan 3 2.2%
7 Moldova, Republic of 2 1.4%
8 Germany 2 1.4%
9 Hong Kong 2 1.4%
10 India 1 0.7%
11 Japan 1 0.7%
12 Czech Republic 1 0.7%
13 Estonia 1 0.7%
14 Finland 1 0.7%
15 Netherlands 1 0.7%
16 Ukraine 1 0.7%