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 16 48.5%
2 China 7 21.2%
3 Netherlands 2 6.1%
4 Spain 2 6.1%
5 Switzerland 2 6.1%
6 Canada 1 3%
7 Germany 1 3%
8 Hong Kong 1 3%
9 Mexico 1 3%