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 60 44.8%
2 United States 28 20.9%
3 Germany 16 11.9%
4 Canada 8 6%
5 Hong Kong 7 5.2%
6 Portugal 5 3.7%
7 Senegal 3 2.2%
8 Taiwan 3 2.2%
9 Ukraine 1 0.7%
10 United Kingdom 1 0.7%
11 Netherlands 1 0.7%
12 Russia 1 0.7%