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 128 65%
2 United States 30 15.2%
3 Germany 17 8.6%
4 Hong Kong 6 3%
5 Taiwan 5 2.5%
6 United Kingdom 2 1%
7 Canada 2 1%
8 Singapore 2 1%
9 Japan 2 1%
10 Peru 1 0.5%
11 Portugal 1 0.5%
12 Russia 1 0.5%