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 41 38%
2 China 40 37%
3 Japan 7 6.5%
4 Korea, Republic of 6 5.6%
5 Germany 3 2.8%
6 Switzerland 2 1.9%
7 Cyprus 2 1.9%
8 Canada 2 1.9%
9 Chile 2 1.9%
10 France 1 0.9%
11 Netherlands 1 0.9%
12 Saudi Arabia 1 0.9%