| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 years | 833 |
18.9%
|
| 2 | 3-5 years | 2150 |
48.8%
|
| 3 | 5-7 years | 833 |
18.9%
|
| 4 | 7-10 years | 193 |
4.4%
|
| 5 | 10+ years | 30 |
0.7%
|
| 6 | Other | 20 |
0.5%
|
| 8 | Don't know/not sure | 24 |
0.5%
|
| Sysmiss | 322 |