| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 0 | |
| 10 | |
| 25 | |
| 30 | |
| 35 | |
| 40 | |
| 45 | |
| 47 | |
| 48 | |
| 50 | |
| 54 | |
| 55 | |
| 57 | |
| 60 | |
| 64 | |
| 65 | |
| 66 | |
| 67 | |
| 68 | |
| 69 | |
| 70 | |
| 75 | |
| 79 | |
| 80 | |
| 85 | |
| 86 | |
| 88 | |
| 90 | |
| 100 | |
| 110 | |
| 112 | |
| 120 | |
| 130 | |
| 135 | |
| 140 | |
| 145 | |
| 150 | |
| 160 | |
| 200 | |
| 210 | |
| 230 | |
| 250 | |
| 270 | |
| 280 | |
| 290 | |
| 300 | |
| 320 | |
| 330 | |
| 350 | |
| 400 | |
| 410 | |
| Sysmiss |