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 207 70.4%
2 United States 28 9.5%
3 Hong Kong 18 6.1%
4 Taiwan 14 4.8%
5 Korea, Republic of 7 2.4%
6 Germany 7 2.4%
7 Senegal 5 1.7%
8 Singapore 4 1.4%
9 United Kingdom 2 0.7%
10 Netherlands 1 0.3%
11 Belarus 1 0.3%