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 China 48 42.9%
2 Canada 33 29.5%
3 United States 11 9.8%
4 Japan 5 4.5%
5 Germany 4 3.6%
6 Cyprus 4 3.6%
7 France 2 1.8%
8 Taiwan 2 1.8%
9 Ukraine 1 0.9%
10 Netherlands 1 0.9%
11 Switzerland 1 0.9%