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 126 64.3%
2 United States 30 15.3%
3 Germany 17 8.7%
4 Hong Kong 10 5.1%
5 Canada 2 1%
6 United Kingdom 2 1%
7 Japan 2 1%
8 Portugal 1 0.5%
9 Taiwan 1 0.5%
10 Ukraine 1 0.5%
11 Cambodia 1 0.5%
12 Dominican Republic 1 0.5%
13 India 1 0.5%
14 Ireland 1 0.5%