| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 6 |
5.4%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 1 |
0.9%
|
| 1 | Less than 1 year | 10 |
9%
|
| 2 | 10 |
9%
|
|
| 3 | 6 |
5.4%
|
|
| 4 | 11 |
9.9%
|
|
| 5 | 10 |
9%
|
|
| 6 | 5 |
4.5%
|
|
| 7 | 10 |
9%
|
|
| 8 | 6 |
5.4%
|
|
| 9 | 3 |
2.7%
|
|
| 10 | 6 |
5.4%
|
|
| 11 | 1 |
0.9%
|
|
| 12 | 6 |
5.4%
|
|
| 13 | 1 |
0.9%
|
|
| 14 | 2 |
1.8%
|
|
| 15 | 2 |
1.8%
|
|
| 17 | 1 |
0.9%
|
|
| 18 | 2 |
1.8%
|
|
| 19 | 1 |
0.9%
|
|
| 20 | 1 |
0.9%
|
|
| 21 | 1 |
0.9%
|
|
| 22 | 1 |
0.9%
|
|
| 25 | 1 |
0.9%
|
|
| 29 | 1 |
0.9%
|
|
| 30 | 2 |
1.8%
|
|
| 35 | 1 |
0.9%
|
|
| 48 | 2 |
1.8%
|
|
| 50 | 1 |
0.9%
|
|
| Sysmiss | 1841 |