| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 950 |
11.9%
|
| 1 | 1 year | 607 |
7.6%
|
| 2 | 2 years | 989 |
12.4%
|
| 3 | 3 years | 907 |
11.4%
|
| 4 | 4 years | 448 |
5.6%
|
| 5 | 5 years | 1231 |
15.5%
|
| 6 | 6+ years | 1583 |
19.9%
|
| 7 | Non-numeric | 1122 |
14.1%
|
| 8 | Don't know | 116 |
1.5%
|
| 9 | 2 | ||
| Sysmiss | 23124 |