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 197 56.1%
2 United States 70 19.9%
3 Canada 31 8.8%
4 Germany 30 8.5%
5 Netherlands 7 2%
6 Singapore 5 1.4%
7 Pakistan 3 0.9%
8 Malaysia 3 0.9%
9 Ireland 2 0.6%
10 Croatia 1 0.3%
11 France 1 0.3%
12 United Kingdom 1 0.3%