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 174 71%
2 United States 34 13.9%
3 Hong Kong 15 6.1%
4 Germany 10 4.1%
5 Taiwan 3 1.2%
6 2 0.8%
7 United Kingdom 2 0.8%
8 Canada 1 0.4%
9 France 1 0.4%
10 Ukraine 1 0.4%
11 Portugal 1 0.4%
12 Singapore 1 0.4%