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 301 59.5%
2 United States 117 23.1%
3 Germany 32 6.3%
4 Hong Kong 28 5.5%
5 Canada 7 1.4%
6 Singapore 5 1%
7 Japan 4 0.8%
8 Australia 2 0.4%
9 Ireland 2 0.4%
10 Macao 2 0.4%
11 Russia 2 0.4%
12 United Kingdom 2 0.4%
13 Switzerland 1 0.2%
14 Luxembourg 1 0.2%