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 391 51.8%
2 United States 134 17.7%
3 Netherlands 130 17.2%
4 Germany 56 7.4%
5 Canada 21 2.8%
6 Ireland 7 0.9%
7 France 5 0.7%
8 Finland 2 0.3%
9 Russia 2 0.3%
10 Sweden 2 0.3%
11 Ukraine 2 0.3%
12 United Kingdom 2 0.3%
13 Hong Kong 1 0.1%