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 51 38.6%
2 United States 27 20.5%
3 Germany 16 12.1%
4 Hong Kong 6 4.5%
5 Taiwan 6 4.5%
6 Portugal 5 3.8%
7 5 3.8%
8 Canada 4 3%
9 Senegal 4 3%
10 United Kingdom 3 2.3%
11 Australia 2 1.5%
12 France 1 0.8%
13 Russia 1 0.8%
14 Ukraine 1 0.8%