| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 3 | |
| 5 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 12 | |
| 14 | |
| 15 | |
| 17 | |
| 20 | |
| 21 | |
| 22 | |
| 24 | |
| 25 | |
| 27 | |
| 30 | |
| 32 | |
| 34 | |
| 35 | |
| 36 | |
| 40 | |
| 41 | |
| 45 | |
| 50 | |
| 53 | |
| 56 | |
| 60 | |
| 68 | |
| 70 | |
| 80 | |
| 90 | |
| 100 | |
| 120 | |
| 140 | |
| 150 | |
| 160 | |
| 170 | |
| 180 | |
| 200 | |
| 240 | |
| 250 | |
| 300 | |
| 320 | |
| 350 | |
| 359 | |
| 360 | |
| 400 | |
| 500 | |
| 700 | |
| 800 | |
| 1000 | |
| 1400 | |
| 1500 | |
| 2000 | |
| Sysmiss |