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 168 68.3%
2 Germany 37 15%
3 United States 23 9.3%
4 Hong Kong 4 1.6%
5 United Kingdom 2 0.8%
6 Finland 2 0.8%
7 Macao 2 0.8%
8 Malaysia 2 0.8%
9 Taiwan 2 0.8%
10 Ukraine 1 0.4%
11 Austria 1 0.4%
12 Canada 1 0.4%
13 Korea, Republic of 1 0.4%