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 278 70.2%
2 United States 61 15.4%
3 Germany 33 8.3%
4 Hong Kong 5 1.3%
5 France 5 1.3%
6 Romania 2 0.5%
7 Russia 2 0.5%
8 Singapore 2 0.5%
9 Sweden 2 0.5%
10 Taiwan 2 0.5%
11 United Kingdom 2 0.5%
12 Malaysia 1 0.3%
13 Canada 1 0.3%