| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 197 |
14.3%
|
| 1 | 1 year | 102 |
7.4%
|
| 2 | 2 years | 184 |
13.3%
|
| 3 | 3 years | 200 |
14.5%
|
| 4 | 4 years | 118 |
8.6%
|
| 5 | 5 years | 314 |
22.8%
|
| 6 | 6+ years | 233 |
16.9%
|
| 7 | non-numeric | 31 |
2.2%
|
| 8 | don't know | 0 |
0%
|
| Sysmiss | 5134 |