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 155 59.6%
2 United States 40 15.4%
3 Germany 29 11.2%
4 Hong Kong 11 4.2%
5 Canada 8 3.1%
6 Sweden 3 1.2%
7 Australia 3 1.2%
8 Bulgaria 2 0.8%
9 Dominica 2 0.8%
10 India 2 0.8%
11 Netherlands 2 0.8%
12 Viet Nam 2 0.8%
13 Malaysia 1 0.4%