| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.5%
|
|
| 1 | DAYS | 22 |
10.5%
|
| 2 | MONTHS | 25 |
11.9%
|
| 3 | YEARS | 159 |
75.7%
|
| 99 | MISSING | 3 |
1.4%
|
| Sysmiss | 38 |