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 204 66%
2 United States 41 13.3%
3 Germany 28 9.1%
4 United Kingdom 7 2.3%
5 Hong Kong 6 1.9%
6 Taiwan 5 1.6%
7 Singapore 4 1.3%
8 Sweden 4 1.3%
9 Mexico 3 1%
10 India 2 0.6%
11 Kenya 2 0.6%
12 Canada 2 0.6%
13 Moldova, Republic of 1 0.3%