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 878 80.3%
2 United States 109 10%
3 Germany 30 2.7%
4 Hong Kong 17 1.6%
5 Taiwan 15 1.4%
6 Senegal 11 1%
7 Portugal 5 0.5%
8 Cote D'ivoire 5 0.5%
9 Korea, Republic of 4 0.4%
10 United Kingdom 4 0.4%
11 South Africa 3 0.3%
12 Nigeria 3 0.3%
13 Finland 3 0.3%
14 Russia 2 0.2%
15 Canada 1 0.1%
16 France 1 0.1%
17 Norway 1 0.1%
18 India 1 0.1%