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 47 59.5%
2 United States 11 13.9%
3 Germany 6 7.6%
4 Malaysia 3 3.8%
5 Ireland 2 2.5%
6 Singapore 2 2.5%
7 Thailand 1 1.3%
8 United Kingdom 1 1.3%
9 Canada 1 1.3%
10 Chile 1 1.3%
11 Mexico 1 1.3%
12 New Zealand 1 1.3%
13 Norway 1 1.3%
14 Serbia 1 1.3%