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 172 64.2%
2 United States 54 20.1%
3 Hong Kong 16 6%
4 Taiwan 9 3.4%
5 Germany 6 2.2%
6 Singapore 3 1.1%
7 United Kingdom 2 0.7%
8 Japan 1 0.4%
9 Portugal 1 0.4%
10 Russia 1 0.4%
11 France 1 0.4%
12 Algeria 1 0.4%
13 Canada 1 0.4%