| Value | Category | Cases | |
|---|---|---|---|
| 2 | 10 months or more | 2382 |
91.9%
|
| 3 | 4 - slightly less than 6 months | 27 |
1%
|
| 4 | 6 - slightly less than 10 months | 42 |
1.6%
|
| 5 | don't know | 25 |
1%
|
| 6 | less than 4 months | 115 |
4.4%
|
| Sysmiss | 25 |