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 87 43.1%
2 United States 48 23.8%
3 Netherlands 20 9.9%
4 Germany 11 5.4%
5 Hong Kong 5 2.5%
6 Portugal 5 2.5%
7 Senegal 5 2.5%
8 Singapore 5 2.5%
9 Canada 4 2%
10 3 1.5%
11 United Kingdom 2 1%
12 Taiwan 2 1%
13 Ukraine 1 0.5%
14 Australia 1 0.5%
15 Finland 1 0.5%
16 Russia 1 0.5%
17 India 1 0.5%