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 91 46.9%
2 United States 42 21.6%
3 Hong Kong 21 10.8%
4 Netherlands 15 7.7%
5 Germany 7 3.6%
6 France 6 3.1%
7 Japan 6 3.1%
8 Korea, Republic of 2 1%
9 Macao 1 0.5%
10 Ireland 1 0.5%
11 Finland 1 0.5%
12 Taiwan 1 0.5%