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 40 44.9%
2 United States 12 13.5%
3 Germany 11 12.4%
4 Netherlands 10 11.2%
5 Canada 6 6.7%
6 Hong Kong 5 5.6%
7 India 2 2.2%
8 Australia 1 1.1%
9 Singapore 1 1.1%
10 United Kingdom 1 1.1%