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 211 64.3%
2 Germany 42 12.8%
3 United States 39 11.9%
4 Canada 16 4.9%
5 Hong Kong 5 1.5%
6 Netherlands 4 1.2%
7 Taiwan 3 0.9%
8 Iran, Islamic Republic of 2 0.6%
9 Ireland 2 0.6%
10 Norway 1 0.3%
11 India 1 0.3%
12 Turkey 1 0.3%
13 Viet Nam 1 0.3%