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 50 51.5%
2 United States 13 13.4%
3 Germany 9 9.3%
4 Portugal 7 7.2%
5 United Kingdom 3 3.1%
6 France 3 3.1%
7 Cote D'ivoire 2 2.1%
8 Czech Republic 2 2.1%
9 Philippines 2 2.1%
10 Taiwan 1 1%
11 Canada 1 1%
12 Hong Kong 1 1%
13 Korea, Republic of 1 1%
14 Netherlands 1 1%
15 Norway 1 1%