| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
3.6%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 1 | One year or less | 1 |
3.6%
|
| 2 | 1 |
3.6%
|
|
| 3 | 3 |
10.7%
|
|
| 4 | 3 |
10.7%
|
|
| 7 | 3 |
10.7%
|
|
| 8 | 2 |
7.1%
|
|
| 10 | 1 |
3.6%
|
|
| 12 | 2 |
7.1%
|
|
| 15 | 3 |
10.7%
|
|
| 18 | 1 |
3.6%
|
|
| 20 | 3 |
10.7%
|
|
| 27 | 1 |
3.6%
|
|
| 35 | 1 |
3.6%
|
|
| 36 | 1 |
3.6%
|
|
| 40 | 1 |
3.6%
|
|
| Sysmiss | 337 |