| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -8 | Refusal (spontaneous) | 4 |
1.4%
|
| 1 | One year or less | 9 |
3%
|
| 2 | 16 |
5.4%
|
|
| 3 | 20 |
6.8%
|
|
| 4 | 12 |
4.1%
|
|
| 5 | 18 |
6.1%
|
|
| 6 | 11 |
3.7%
|
|
| 7 | 9 |
3%
|
|
| 8 | 18 |
6.1%
|
|
| 9 | 5 |
1.7%
|
|
| 10 | 16 |
5.4%
|
|
| 11 | 8 |
2.7%
|
|
| 12 | 6 |
2%
|
|
| 13 | 6 |
2%
|
|
| 14 | 12 |
4.1%
|
|
| 15 | 10 |
3.4%
|
|
| 16 | 8 |
2.7%
|
|
| 17 | 7 |
2.4%
|
|
| 18 | 8 |
2.7%
|
|
| 19 | 4 |
1.4%
|
|
| 20 | 10 |
3.4%
|
|
| 21 | 8 |
2.7%
|
|
| 22 | 12 |
4.1%
|
|
| 23 | 7 |
2.4%
|
|
| 24 | 9 |
3%
|
|
| 25 | 9 |
3%
|
|
| 26 | 13 |
4.4%
|
|
| 27 | 9 |
3%
|
|
| 28 | 6 |
2%
|
|
| 30 | 2 |
0.7%
|
|
| 33 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 52 | 1 |
0.3%
|
|
| 58 | 1 |
0.3%
|
|
| Sysmiss | 62 |