| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 2070 |
17.8%
|
| 1 | 1 year | 1233 |
10.6%
|
| 2 | 2 years | 2114 |
18.2%
|
| 3 | 3 years | 1840 |
15.8%
|
| 4 | 4 years | 837 |
7.2%
|
| 5 | 5 years | 2074 |
17.9%
|
| 6 | 6+ years | 951 |
8.2%
|
| 7 | Non-numeric | 342 |
2.9%
|
| 8 | Don't know | 152 |
1.3%
|
| Sysmiss | 71978 |