| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 43 |
0.7%
|
| -8 | Refused | 12 |
0.2%
|
| -5 | Not Applicable | 18 |
0.3%
|
| -3 | Missing | 155 |
2.5%
|
| 0 | 6066 |
96%
|
|
| 3 | 3 |
0%
|
|
| 4 | 1 |
0%
|
|
| 5 | 1 |
0%
|
|
| 10 | 3 |
0%
|
|
| 13 | 1 |
0%
|
|
| 15 | 2 |
0%
|
|
| 17 | 1 |
0%
|
|
| 18 | 1 |
0%
|
|
| 19 | 1 |
0%
|
|
| 20 | 2 |
0%
|
|
| 25 | 1 |
0%
|
|
| 30 | 4 |
0.1%
|
|
| 35 | 1 |
0%
|
|
| 40 | 3 |
0%
|
|
| Sysmiss | 977 |