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 76 46.1%
2 United States 37 22.4%
3 Germany 15 9.1%
4 Hong Kong 9 5.5%
5 Canada 8 4.8%
6 Portugal 5 3%
7 Senegal 3 1.8%
8 Russia 2 1.2%
9 United Kingdom 2 1.2%
10 Norway 2 1.2%
11 Finland 2 1.2%
12 France 1 0.6%
13 Japan 1 0.6%
14 Malaysia 1 0.6%
15 Taiwan 1 0.6%