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 240 50.2%
2 United States 122 25.5%
3 Germany 37 7.7%
4 Netherlands 24 5%
5 Canada 21 4.4%
6 Taiwan 15 3.1%
7 Hong Kong 6 1.3%
8 Sweden 4 0.8%
9 Japan 2 0.4%
10 Macao 2 0.4%
11 Singapore 2 0.4%
12 France 2 0.4%
13 Thailand 1 0.2%