| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 0 | |
| 30 | |
| 40 | |
| 50 | |
| 60 | |
| 70 | |
| 80 | |
| 90 | |
| 100 | |
| 115 | |
| 120 | |
| 129 | |
| 130 | |
| 140 | |
| 146 | |
| 150 | |
| 180 | |
| 190 | |
| 200 | |
| 210 | |
| 240 | |
| 250 | |
| 260 | |
| 270 | |
| 275 | |
| 280 | |
| 287 | |
| 290 | |
| 300 | |
| 320 | |
| 340 | |
| 350 | |
| 370 | |
| 400 | |
| 450 | |
| 497 | |
| 500 | |
| 550 | |
| 590 | |
| 600 | |
| 667 | |
| 700 | |
| 712 | |
| 800 | |
| 900 | |
| 910 | |
| 1000 | |
| 1200 | |
| 1300 | |
| 1400 | |
| 1500 | |
| 1800 | |
| 2000 | |
| 3000 | |
| 4000 | |
| 10000 | |
| Sysmiss |