| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 689 |
14.6%
|
| 1 | 1 year | 312 |
6.6%
|
| 2 | 2 years | 556 |
11.8%
|
| 3 | 3 years | 479 |
10.1%
|
| 4 | 4 years | 235 |
5%
|
| 5 | 5 years | 610 |
12.9%
|
| 6 | 6+ years | 689 |
14.6%
|
| 7 | Non-numeric | 1031 |
21.8%
|
| 8 | Don't know | 126 |
2.7%
|
| 9 | 1 | ||
| Sysmiss | 3716 |