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 51 46.8%
2 China 33 30.3%
3 Germany 12 11%
4 Canada 5 4.6%
5 Switzerland 3 2.8%
6 Australia 2 1.8%
7 Cyprus 2 1.8%
8 Netherlands 1 0.9%