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 38 37.3%
2 Netherlands 14 13.7%
3 Canada 13 12.7%
4 United States 13 12.7%
5 United Kingdom 8 7.8%
6 Germany 5 4.9%
7 Sweden 4 3.9%
8 Slovenia 2 2%
9 Italy 2 2%
10 Russia 1 1%
11 Singapore 1 1%
12 Taiwan 1 1%