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 406 71.9%
2 United States 84 14.9%
3 Germany 32 5.7%
4 Canada 14 2.5%
5 Hong Kong 10 1.8%
6 Singapore 4 0.7%
7 Taiwan 4 0.7%
8 Finland 2 0.4%
9 Ireland 2 0.4%
10 Mongolia 2 0.4%
11 Norway 2 0.4%
12 Mauritius 1 0.2%
13 India 1 0.2%
14 United Kingdom 1 0.2%