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 206 61.7%
2 United States 40 12%
3 Germany 37 11.1%
4 Canada 30 9%
5 Hong Kong 7 2.1%
6 Taiwan 4 1.2%
7 United Kingdom 2 0.6%
8 Netherlands 2 0.6%
9 Poland 2 0.6%
10 Singapore 1 0.3%
11 Sweden 1 0.3%
12 Brazil 1 0.3%
13 France 1 0.3%