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 171 53.4%
2 United States 73 22.8%
3 Germany 26 8.1%
4 France 22 6.9%
5 Canada 9 2.8%
6 Taiwan 5 1.6%
7 United Kingdom 3 0.9%
8 Hong Kong 2 0.6%
9 Netherlands 2 0.6%
10 Singapore 2 0.6%
11 Sweden 2 0.6%
12 Saudi Arabia 1 0.3%
13 Malaysia 1 0.3%
14 Viet Nam 1 0.3%