| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 1 | One year or less | 1 |
5.3%
|
| 2 | 1 |
5.3%
|
|
| 3 | 2 |
10.5%
|
|
| 5 | 2 |
10.5%
|
|
| 7 | 2 |
10.5%
|
|
| 8 | 1 |
5.3%
|
|
| 10 | 2 |
10.5%
|
|
| 13 | 1 |
5.3%
|
|
| 14 | 2 |
10.5%
|
|
| 15 | 1 |
5.3%
|
|
| 16 | 1 |
5.3%
|
|
| 20 | 2 |
10.5%
|
|
| 32 | 1 |
5.3%
|
|
| Sysmiss | 1181 |