BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 United States 77 48.4%
2 China 41 25.8%
3 Germany 17 10.7%
4 Korea, Republic of 5 3.1%
5 Netherlands 5 3.1%
6 Ukraine 3 1.9%
7 Japan 3 1.9%
8 Cyprus 3 1.9%
9 Singapore 2 1.3%
10 Canada 2 1.3%
11 United Kingdom 1 0.6%