| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -8 | Refusal (spontaneous) | 1 |
0.1%
|
| 1 | One year or less | 11 |
1.6%
|
| 2 | 20 |
3%
|
|
| 3 | 30 |
4.5%
|
|
| 4 | 24 |
3.6%
|
|
| 5 | 28 |
4.2%
|
|
| 6 | 30 |
4.5%
|
|
| 7 | 25 |
3.7%
|
|
| 8 | 18 |
2.7%
|
|
| 9 | 23 |
3.4%
|
|
| 10 | 38 |
5.7%
|
|
| 11 | 15 |
2.2%
|
|
| 12 | 27 |
4%
|
|
| 13 | 17 |
2.5%
|
|
| 14 | 13 |
1.9%
|
|
| 15 | 28 |
4.2%
|
|
| 16 | 15 |
2.2%
|
|
| 17 | 21 |
3.1%
|
|
| 18 | 17 |
2.5%
|
|
| 19 | 21 |
3.1%
|
|
| 20 | 47 |
7%
|
|
| 21 | 13 |
1.9%
|
|
| 22 | 13 |
1.9%
|
|
| 23 | 15 |
2.2%
|
|
| 24 | 13 |
1.9%
|
|
| 25 | 20 |
3%
|
|
| 26 | 14 |
2.1%
|
|
| 27 | 4 |
0.6%
|
|
| 28 | 8 |
1.2%
|
|
| 29 | 7 |
1%
|
|
| 30 | 29 |
4.3%
|
|
| 31 | 3 |
0.4%
|
|
| 32 | 5 |
0.7%
|
|
| 33 | 6 |
0.9%
|
|
| 34 | 4 |
0.6%
|
|
| 35 | 6 |
0.9%
|
|
| 36 | 3 |
0.4%
|
|
| 37 | 3 |
0.4%
|
|
| 38 | 4 |
0.6%
|
|
| 39 | 9 |
1.3%
|
|
| 40 | 8 |
1.2%
|
|
| 41 | 1 |
0.1%
|
|
| 42 | 3 |
0.4%
|
|
| 45 | 2 |
0.3%
|
|
| 46 | 1 |
0.1%
|
|
| 47 | 1 |
0.1%
|
|
| 49 | 1 |
0.1%
|
|
| 51 | 1 |
0.1%
|
|
| 56 | 1 |
0.1%
|
|
| 62 | 1 |
0.1%
|
|
| Sysmiss | 1401 |