| Value | Category | 
|---|---|
| -9 | Don't Know | 
| -8 | Refused | 
| -5 | Not Applicable | 
| -3 | Missing | 
| 12 | |
| 15 | |
| 20 | |
| 30 | |
| 35 | |
| 40 | |
| 45 | |
| 48 | |
| 50 | |
| 55 | |
| 60 | |
| 70 | |
| 80 | |
| 85 | |
| 90 | |
| 100 | |
| 120 | |
| 130 | |
| 140 | |
| 150 | |
| 155 | |
| 160 | |
| 170 | |
| 180 | |
| 200 | |
| 220 | |
| 230 | |
| 240 | |
| 250 | |
| 280 | |
| 300 | |
| 360 | |
| 380 | |
| 400 | |
| 432 | |
| 480 | |
| 495 | |
| 500 | |
| 560 | |
| 600 | |
| 624 | |
| 780 | |
| 800 | |
| 840 | |
| 900 | |
| 1000 | |
| 1080 | |
| 1200 | |
| 1300 | |
| 1800 | |
| 2000 | |
| 2400 | |
| 2500 | |
| 3000 | |
| 40000 | |
| 60000 | |
| Sysmiss |