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 16 28.1%
2 China 12 21.1%
3 Canada 8 14%
4 Germany 6 10.5%
5 Netherlands 5 8.8%
6 Mexico 3 5.3%
7 India 2 3.5%
8 Australia 2 3.5%
9 Hong Kong 1 1.8%
10 Malaysia 1 1.8%
11 United Kingdom 1 1.8%