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 185 56.9%
2 United States 50 15.4%
3 Germany 36 11.1%
4 Netherlands 30 9.2%
5 Ireland 6 1.8%
6 Korea, Republic of 6 1.8%
7 Hong Kong 4 1.2%
8 United Kingdom 3 0.9%
9 Israel 2 0.6%
10 Romania 2 0.6%
11 Finland 1 0.3%