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 181 67.3%
2 Germany 26 9.7%
3 United States 25 9.3%
4 Hong Kong 8 3%
5 Ireland 7 2.6%
6 Russia 6 2.2%
7 Canada 5 1.9%
8 India 3 1.1%
9 Korea, Republic of 2 0.7%
10 Guam 2 0.7%
11 United Kingdom 2 0.7%
12 Finland 1 0.4%
13 Netherlands 1 0.4%