| Value | Category | Cases | |
|---|---|---|---|
| 1 | 22 |
20.6%
|
|
| 2 | 1_2_years_ago | 7 |
6.5%
|
| 3 | 3_4_years_ago | 10 |
9.3%
|
| 4 | less_than_1_year_ago | 7 |
6.5%
|
| 5 | over_5_years_ago | 60 |
56.1%
|
| Sysmiss | 1 |