| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 months | 711 |
40.9%
|
| 2 | 4 to 6 months | 550 |
31.6%
|
| 3 | 7 to 12 months | 175 |
10.1%
|
| 4 | More than 12 months | 160 |
9.2%
|
| 5 | Request not succesful | 109 |
6.3%
|
| 6 | Cannot remember | 33 |
1.9%
|
| Sysmiss | 12256 |