| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 52 |
1.2%
|
| -8 | Refused | 11 |
0.2%
|
| -5 | Not Applicable | 18 |
0.4%
|
| -3 | Missing | 114 |
2.5%
|
| 0 | 4243 |
94.7%
|
|
| 3 | 3 |
0.1%
|
|
| 10 | 2 |
0%
|
|
| 19 | 1 |
0%
|
|
| 20 | 2 |
0%
|
|
| 30 | 4 |
0.1%
|
|
| 33 | 1 |
0%
|
|
| 50 | 4 |
0.1%
|
|
| 60 | 4 |
0.1%
|
|
| 90 | 1 |
0%
|
|
| 100 | 6 |
0.1%
|
|
| 150 | 3 |
0.1%
|
|
| 180 | 1 |
0%
|
|
| 200 | 3 |
0.1%
|
|
| 250 | 1 |
0%
|
|
| 300 | 2 |
0%
|
|
| 400 | 1 |
0%
|
|
| 500 | 2 |
0%
|
|
| 600 | 1 |
0%
|
|
| 650 | 1 |
0%
|
|
| 1500 | 1 |
0%
|
|
| Sysmiss | 2814 |