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 123 53.9%
2 United States 44 19.3%
3 Germany 33 14.5%
4 Canada 10 4.4%
5 Hong Kong 8 3.5%
6 Ireland 3 1.3%
7 Netherlands 3 1.3%
8 Russia 2 0.9%
9 United Kingdom 1 0.4%
10 Australia 1 0.4%