| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| 1 | One year or less | 50 |
4.5%
|
| 2 | 125 |
11.4%
|
|
| 3 | 111 |
10.1%
|
|
| 4 | 81 |
7.4%
|
|
| 5 | 102 |
9.3%
|
|
| 6 | 59 |
5.4%
|
|
| 7 | 62 |
5.6%
|
|
| 8 | 63 |
5.7%
|
|
| 9 | 57 |
5.2%
|
|
| 10 | 85 |
7.7%
|
|
| 11 | 33 |
3%
|
|
| 12 | 38 |
3.5%
|
|
| 13 | 35 |
3.2%
|
|
| 14 | 27 |
2.5%
|
|
| 15 | 33 |
3%
|
|
| 16 | 24 |
2.2%
|
|
| 17 | 21 |
1.9%
|
|
| 18 | 16 |
1.5%
|
|
| 19 | 12 |
1.1%
|
|
| 20 | 23 |
2.1%
|
|
| 21 | 5 |
0.5%
|
|
| 22 | 5 |
0.5%
|
|
| 23 | 3 |
0.3%
|
|
| 24 | 2 |
0.2%
|
|
| 25 | 5 |
0.5%
|
|
| 26 | 7 |
0.6%
|
|
| 27 | 5 |
0.5%
|
|
| 28 | 2 |
0.2%
|
|
| 29 | 1 |
0.1%
|
|
| 30 | 2 |
0.2%
|
|
| 32 | 2 |
0.2%
|
|
| 33 | 1 |
0.1%
|
|
| 35 | 1 |
0.1%
|
|
| 36 | 1 |
0.1%
|
|
| 40 | 1 |
0.1%
|
|
| Sysmiss | 346 |