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 427 56.8%
2 United States 120 16%
3 Netherlands 84 11.2%
4 Germany 59 7.8%
5 Canada 24 3.2%
6 Sweden 14 1.9%
7 Hong Kong 7 0.9%
8 France 5 0.7%
9 Ireland 4 0.5%
10 Russia 3 0.4%
11 Finland 3 0.4%
12 Singapore 2 0.3%