| Value | Category | Cases | |
|---|---|---|---|
| 1 | up to 3 months | 92 |
8.1%
|
| 2 | 4 months to 6 months | 94 |
8.2%
|
| 3 | 7 to 11 months | 157 |
13.8%
|
| 4 | 1 to 2 years | 306 |
26.8%
|
| 5 | 3 to 4 years | 213 |
18.7%
|
| 6 | 5 or more years | 278 |
24.4%
|
| Sysmiss | 43274 |