| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 212 |
15.5%
|
| 1 | 1 year | 90 |
6.6%
|
| 2 | 2 years | 128 |
9.4%
|
| 3 | 3 years | 188 |
13.7%
|
| 4 | 4 years | 90 |
6.6%
|
| 5 | 5 years | 325 |
23.8%
|
| 6 | 6+ years | 320 |
23.4%
|
| 7 | non-numeric | 11 |
0.8%
|
| 8 | don't know | 4 |
0.3%
|
| Sysmiss | 1649 |