BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 161 44.4%
2 China 101 27.8%
3 Germany 37 10.2%
4 Canada 25 6.9%
5 Netherlands 20 5.5%
6 Japan 6 1.7%
7 Korea, Republic of 3 0.8%
8 Taiwan 3 0.8%
9 Norway 2 0.6%
10 Iran, Islamic Republic of 2 0.6%
11 Ireland 1 0.3%
12 Singapore 1 0.3%
13 United Arab Emirates 1 0.3%