customer_id,age,salary,gender,purchases,region,joined_date
1,25,45000,M,5,North,2020-01-15
2,30,32000,F,3,South,2019-03-22
3,22,55000,M,8,East,2021-07-08
4,22,32000,F,2,East,2018-11-30
5,45,32000,F,12,West,2022-02-14
6,28,48000,M,2,North,2020-06-19
7,22,62000,F,7,South,2019-09-05
8,33,32000,M,4,East,2021-12-01
9,41,71000,F,9,East,2017-04-17
10,29,38000,F,6,West,2023-01-10