| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 884 |
24.1%
|
| 1 | 1 year | 433 |
11.8%
|
| 2 | 2 years | 483 |
13.2%
|
| 3 | 3 years | 408 |
11.1%
|
| 4 | 4 years | 246 |
6.7%
|
| 5 | 5 years | 514 |
14%
|
| 6 | 6+ years | 590 |
16.1%
|
| 7 | non-numeric | 16 |
0.4%
|
| 8 | don't know | 94 |
2.6%
|
| Sysmiss | 9247 |