BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 109 55.6%
2 United States 36 18.4%
3 Germany 17 8.7%
4 Hong Kong 10 5.1%
5 Korea, Republic of 5 2.6%
6 Canada 4 2%
7 Japan 3 1.5%
8 Taiwan 3 1.5%
9 United Arab Emirates 3 1.5%
10 United Kingdom 2 1%
11 Netherlands 1 0.5%
12 Portugal 1 0.5%
13 Russia 1 0.5%
14 Hungary 1 0.5%