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 139 42.6%
2 United States 96 29.4%
3 Germany 39 12%
4 Hong Kong 24 7.4%
5 Malaysia 14 4.3%
6 Taiwan 4 1.2%
7 United Kingdom 2 0.6%
8 France 2 0.6%
9 Canada 2 0.6%
10 Netherlands 1 0.3%
11 Russia 1 0.3%
12 Singapore 1 0.3%
13 Sweden 1 0.3%