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 140 53%
2 United States 61 23.1%
3 Germany 18 6.8%
4 Hong Kong 15 5.7%
5 Taiwan 8 3%
6 Ireland 8 3%
7 Canada 4 1.5%
8 Korea, Republic of 3 1.1%
9 Netherlands 2 0.8%
10 Portugal 2 0.8%
11 1 0.4%
12 Finland 1 0.4%
13 India 1 0.4%