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 88 50%
2 China 41 23.3%
3 Germany 16 9.1%
4 France 9 5.1%
5 Hong Kong 5 2.8%
6 Senegal 5 2.8%
7 Russia 4 2.3%
8 United Kingdom 3 1.7%
9 India 3 1.7%
10 Canada 1 0.6%
11 Czech Republic 1 0.6%