BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 179 57.7%
2 United States 51 16.5%
3 Germany 28 9%
4 Canada 18 5.8%
5 Hong Kong 8 2.6%
6 Netherlands 5 1.6%
7 Singapore 4 1.3%
8 Malaysia 4 1.3%
9 United Kingdom 3 1%
10 Taiwan 3 1%
11 Turkey 2 0.6%
12 Indonesia 2 0.6%
13 Belgium 2 0.6%
14 Kyrgyzstan 1 0.3%