| Value | Category | Cases | |
|---|---|---|---|
| 0 | <12 months | 2051 |
15.4%
|
| 1 | 1 year | 1254 |
9.4%
|
| 2 | 2 years | 2204 |
16.6%
|
| 3 | 3 years | 2275 |
17.1%
|
| 4 | 4 years | 1162 |
8.7%
|
| 5 | 5 years | 2502 |
18.8%
|
| 6 | 6+ years | 1189 |
8.9%
|
| 7 | non-numeric | 483 |
3.6%
|
| 8 | don't know | 194 |
1.5%
|
| Sysmiss | 22296 |