| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 178 |
13.6%
|
| 1 | 1 year | 94 |
7.2%
|
| 2 | 2 years | 171 |
13.1%
|
| 3 | 3 years | 193 |
14.8%
|
| 4 | 4 years | 113 |
8.7%
|
| 5 | 5 years | 302 |
23.1%
|
| 6 | 6+ years | 225 |
17.2%
|
| 7 | non-numeric | 30 |
2.3%
|
| 8 | don't know | 0 |
0%
|
| Sysmiss | 1711 |