| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 months | 2004 |
9.8%
|
| 2 | 3 months - less than 6 months | 1517 |
7.4%
|
| 3 | 6 months - less than 9 months | 1224 |
6%
|
| 4 | 9 months - less than 1 year | 1225 |
6%
|
| 5 | 1 year - less than 3 years | 4441 |
21.8%
|
| 6 | 3 years - 5 years | 2925 |
14.3%
|
| 7 | More than 5 years | 6969 |
34.1%
|
| 8 | Do not know | 105 |
0.5%
|
| Sysmiss | 189507 |