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 589 88.2%
2 Germany 27 4%
3 United States 20 3%
4 Hong Kong 10 1.5%
5 Taiwan 6 0.9%
6 Ireland 5 0.7%
7 Korea, Republic of 2 0.3%
8 Netherlands 2 0.3%
9 Singapore 2 0.3%
10 Sweden 1 0.1%
11 Russia 1 0.1%
12 Luxembourg 1 0.1%
13 United Kingdom 1 0.1%
14 1 0.1%