| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 3 |
0.7%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 6 |
1.3%
|
| 0 | 423 |
92%
|
|
| 4 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| 30 | 1 |
0.2%
|
|
| 40 | 1 |
0.2%
|
|
| 60 | 5 |
1.1%
|
|
| 70 | 1 |
0.2%
|
|
| 100 | 1 |
0.2%
|
|
| 120 | 2 |
0.4%
|
|
| 125 | 1 |
0.2%
|
|
| 150 | 1 |
0.2%
|
|
| 180 | 2 |
0.4%
|
|
| 280 | 1 |
0.2%
|
|
| 300 | 2 |
0.4%
|
|
| 320 | 1 |
0.2%
|
|
| 350 | 2 |
0.4%
|
|
| 1350 | 1 |
0.2%
|
|
| 1400 | 2 |
0.4%
|
|
| 1600 | 1 |
0.2%
|
|
| 6000 | 1 |
0.2%
|
|
| Sysmiss | 6836 |