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 26 32.5%
2 United States 22 27.5%
3 Germany 7 8.8%
4 Russia 6 7.5%
5 Egypt 4 5%
6 France 3 3.8%
7 Hong Kong 3 3.8%
8 United Kingdom 2 2.5%
9 Canada 1 1.2%
10 Turkey 1 1.2%
11 India 1 1.2%
12 Indonesia 1 1.2%
13 Iran, Islamic Republic of 1 1.2%
14 Philippines 1 1.2%
15 Czech Republic 1 1.2%