| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 months | 23 |
9.4%
|
| 2 | 3 months - less than 6 months | 16 |
6.5%
|
| 3 | 6 months - less than 9 months | 8 |
3.3%
|
| 4 | 9 months - less than 1 year | 18 |
7.3%
|
| 5 | 1 year - less than 3 years | 34 |
13.9%
|
| 6 | 3 years - 5 years | 11 |
4.5%
|
| 7 | More than 5 years | 135 |
55.1%
|
| 8 | Do not know | 0 |
0%
|
| Sysmiss | 755 |