| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.9%
|
|
| 2 | 2_4_months | 21 |
19.6%
|
| 3 | 5_9_months | 12 |
11.2%
|
| 4 | less_than_1_month | 32 |
29.9%
|
| 5 | more_than_a_year | 9 |
8.4%
|
| Sysmiss | 32 |