| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 260 |
16.7%
|
| 1 | 1 year | 303 |
19.4%
|
| 2 | 2 years | 621 |
39.8%
|
| 3 | 3 years | 192 |
12.3%
|
| 4 | 4 years | 77 |
4.9%
|
| 5 | 5 years | 58 |
3.7%
|
| 6 | 6+ years | 28 |
1.8%
|
| 7 | non-numeric | 0 |
0%
|
| 8 | don't know | 20 |
1.3%
|
| Sysmiss | 2357 |