| Value | Category | 
|---|---|
| 1 | 1_month_or_more_but_less_than_3_months | 
| 2 | 1_week_or_more_but_less_1_month | 
| 3 | 1_year_or_more | 
| 4 | 1month_6months | 
| 5 | 1week_1month | 
| 6 | 3_months_or_more_but_less_than_6 | 
| 7 | 6_months_or_more_but_less_than_1_year | 
| 8 | less_1week | 
| 9 | less_than_1_week_ago | 
| 10 | More_6months |