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 180 43.5%
2 United States 87 21%
3 Hong Kong 64 15.5%
4 Germany 35 8.5%
5 Canada 17 4.1%
6 Netherlands 15 3.6%
7 Singapore 5 1.2%
8 Azerbaijan 3 0.7%
9 Ireland 3 0.7%
10 Guam 2 0.5%
11 Luxembourg 1 0.2%
12 India 1 0.2%
13 Turkey 1 0.2%