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 37 48.1%
2 China 15 19.5%
3 Germany 6 7.8%
4 Russia 5 6.5%
5 Canada 2 2.6%
6 Hong Kong 2 2.6%
7 Indonesia 2 2.6%
8 Nigeria 1 1.3%
9 Romania 1 1.3%
10 Czech Republic 1 1.3%
11 Egypt 1 1.3%
12 Estonia 1 1.3%
13 France 1 1.3%
14 Togo 1 1.3%
15 United Kingdom 1 1.3%