| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 1256 |
26.9%
|
| 1 | 1 year | 792 |
17%
|
| 2 | 2 years | 1704 |
36.5%
|
| 3 | 3 years | 465 |
10%
|
| 4 | 4 years | 157 |
3.4%
|
| 5 | 5 years | 129 |
2.8%
|
| 6 | 6+ years | 67 |
1.4%
|
| 7 | non-numeric | 5 |
0.1%
|
| 8 | don't know | 90 |
1.9%
|
| Sysmiss | 8707 |