| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 months | 93 |
7.6%
|
| 2 | 3 months - less than 6 months | 63 |
5.1%
|
| 3 | 6 months - less than 9 months | 92 |
7.5%
|
| 4 | 9 months - less than 1 year | 96 |
7.8%
|
| 5 | 1 year - less than 3 years | 296 |
24.1%
|
| 6 | 3 years - 5 years | 183 |
14.9%
|
| 7 | More than 5 years | 396 |
32.3%
|
| 8 | Do not know | 8 |
0.7%
|
| Sysmiss | 8772 |