| Value | Category | Cases | |
|---|---|---|---|
| 1 | 56 |
27.2%
|
|
| 2 | 64 |
31.1%
|
|
| 3 | 28 |
13.6%
|
|
| 4 | 20 |
9.7%
|
|
| 5 | 12 |
5.8%
|
|
| 6 | 7 |
3.4%
|
|
| 7 | 7 months or more | 19 |
9.2%
|
| Sysmiss | 4124 |