| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 months | 127 |
13.1%
|
| 2 | 3 months - less than 6 months | 100 |
10.3%
|
| 3 | 6 months - less than 9 months | 53 |
5.5%
|
| 4 | 9 months - less than 1 year | 63 |
6.5%
|
| 5 | 1 year - less than 3 years | 244 |
25.2%
|
| 6 | 3 years - 5 years | 142 |
14.6%
|
| 7 | More than 5 years | 234 |
24.1%
|
| 8 | Do not know | 7 |
0.7%
|
| Sysmiss | 9029 |