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 95 73.1%
2 Canada 9 6.9%
3 United States 7 5.4%
4 Singapore 4 3.1%
5 Hong Kong 4 3.1%
6 Mexico 3 2.3%
7 Australia 3 2.3%
8 Germany 2 1.5%
9 Bolivia, Plurinational State of 1 0.8%
10 Italy 1 0.8%
11 Malaysia 1 0.8%