| 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 |
2.2%
|
| 2 | 5 |
10.9%
|
|
| 3 | 3 |
6.5%
|
|
| 4 | 3 |
6.5%
|
|
| 5 | 8 |
17.4%
|
|
| 6 | 6 |
13%
|
|
| 7 | 3 |
6.5%
|
|
| 8 | 3 |
6.5%
|
|
| 9 | 5 |
10.9%
|
|
| 10 | 3 |
6.5%
|
|
| 11 | 1 |
2.2%
|
|
| 13 | 1 |
2.2%
|
|
| 15 | 1 |
2.2%
|
|
| 19 | 1 |
2.2%
|
|
| 20 | 1 |
2.2%
|
|
| 35 | 1 |
2.2%
|
|
| Sysmiss | 314 |