| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 56 |
0.8%
|
| -8 | Refused | 13 |
0.2%
|
| -5 | Not Applicable | 24 |
0.4%
|
| -3 | Missing | 125 |
1.8%
|
| 0 | 6547 |
96.2%
|
|
| 3 | 4 |
0.1%
|
|
| 4 | 1 |
0%
|
|
| 5 | 4 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| 7 | 1 |
0%
|
|
| 10 | 5 |
0.1%
|
|
| 11 | 1 |
0%
|
|
| 12 | 1 |
0%
|
|
| 15 | 3 |
0%
|
|
| 16 | 1 |
0%
|
|
| 17 | 2 |
0%
|
|
| 20 | 5 |
0.1%
|
|
| 23 | 2 |
0%
|
|
| 25 | 2 |
0%
|
|
| 28 | 2 |
0%
|
|
| 30 | 2 |
0%
|
|
| 40 | 1 |
0%
|
|
| 42 | 1 |
0%
|
|
| 50 | 2 |
0%
|
|
| 51 | 1 |
0%
|
|
| 60 | 1 |
0%
|
|
| 90 | 1 |
0%
|
|
| Sysmiss | 487 |