| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 128 |
10.2%
|
| 1 | 1 year | 88 |
7%
|
| 2 | 2 years | 140 |
11.1%
|
| 3 | 3 years | 231 |
18.4%
|
| 4 | 4 years | 169 |
13.5%
|
| 5 | 5 years | 331 |
26.4%
|
| 6 | 6+ years | 159 |
12.7%
|
| 7 | Non-numeric | 3 |
0.2%
|
| 8 | Don't know | 7 |
0.6%
|
| Sysmiss | 3626 |