| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| 0 | Less than 1 Year | 0 |
0%
|
| 1 | 2 |
6.1%
|
|
| 2 | 7 |
21.2%
|
|
| 3 | 6 |
18.2%
|
|
| 5 | 4 |
12.1%
|
|
| 10 | 3 |
9.1%
|
|
| 15 | 4 |
12.1%
|
|
| 18 | 1 |
3%
|
|
| 30 | 2 |
6.1%
|
|
| 34 | 1 |
3%
|
|
| 40 | 3 |
9.1%
|
|
| Sysmiss | 95 |