| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 163 |
17.2%
|
| 1 | 1 year | 155 |
16.4%
|
| 2 | 2 years | 247 |
26.1%
|
| 3 | 3 years | 151 |
15.9%
|
| 4 | 4 years | 46 |
4.9%
|
| 5 | 5 years | 94 |
9.9%
|
| 6 | 6+ years | 34 |
3.6%
|
| 7 | Non-numeric | 35 |
3.7%
|
| 8 | Don't know | 23 |
2.4%
|
| 9 | 1 | ||
| Sysmiss | 2516 |