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 211 55.5%
2 United States 86 22.6%
3 Germany 42 11.1%
4 Netherlands 20 5.3%
5 Ireland 5 1.3%
6 Canada 4 1.1%
7 Hong Kong 3 0.8%
8 Singapore 3 0.8%
9 Sweden 2 0.5%
10 Taiwan 2 0.5%
11 Russia 2 0.5%