BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 320 84.4%
2 United States 21 5.5%
3 Hong Kong 16 4.2%
4 Korea, Republic of 3 0.8%
5 Netherlands 3 0.8%
6 Russia 2 0.5%
7 Sweden 2 0.5%
8 Canada 2 0.5%
9 Malaysia 2 0.5%
10 Italy 2 0.5%
11 Germany 2 0.5%
12 Ireland 1 0.3%
13 Japan 1 0.3%
14 Taiwan 1 0.3%
15 United Kingdom 1 0.3%