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 United States 47 46.5%
2 Canada 21 20.8%
3 United Kingdom 8 7.9%
4 China 5 5%
5 Germany 5 5%
6 Singapore 4 4%
7 Japan 3 3%
8 Malaysia 3 3%
9 Kazakhstan 2 2%
10 Brazil 1 1%
11 Ireland 1 1%
12 Spain 1 1%