| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 0 | |
| 10 | |
| 13 | |
| 17 | |
| 23 | |
| 24 | |
| 25 | |
| 26 | |
| 28 | |
| 29 | |
| 30 | |
| 32 | |
| 33 | |
| 34 | |
| 35 | |
| 36 | |
| 37 | |
| 39 | |
| 40 | |
| 45 | |
| 47 | |
| 50 | |
| 55 | |
| 56 | |
| 58 | |
| 60 | |
| 64 | |
| 65 | |
| 66 | |
| 69 | |
| 70 | |
| 74 | |
| 75 | |
| 76 | |
| 78 | |
| 80 | |
| 84 | |
| 85 | |
| 87 | |
| 90 | |
| 94 | |
| 99 | |
| 100 | |
| 110 | |
| 120 | |
| 130 | |
| 140 | |
| 145 | |
| 150 | |
| 156 | |
| 160 | |
| 170 | |
| 180 | |
| 200 | |
| 211 | |
| 214 | |
| 222 | |
| 240 | |
| 247 | |
| 250 | |
| 300 | |
| 330 | |
| 400 | |
| Sysmiss |