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 201 35.1%
2 United States 147 25.7%
3 Finland 81 14.1%
4 Germany 68 11.9%
5 Canada 51 8.9%
6 Macao 6 1%
7 Malaysia 3 0.5%
8 Netherlands 3 0.5%
9 Iran, Islamic Republic of 3 0.5%
10 Russia 3 0.5%
11 Ireland 2 0.3%
12 Japan 2 0.3%
13 Norway 2 0.3%
14 United Kingdom 1 0.2%