| Value | Category |
|---|---|
| -2 | |
| 1 | Not at all |
| 1.5 | |
| 2 | Somewhat |
| 3 | Very Much |
| 5 | |
| 6 | |
| 8 | |
| 10 | |
| 12 | |
| 14 | |
| 15 | |
| 16 | |
| 18 | |
| 20 | |
| 22 | |
| 24 | |
| 25 | |
| 26 | |
| 27 | |
| 27.5 | |
| 28 | |
| 30 | |
| 34 | |
| 35 | |
| 39 | |
| 40 | |
| 42 | |
| 44 | |
| 45 | |
| 50 | |
| 55 | |
| 60 | |
| 65 | |
| 70 | |
| 72 | |
| 75 | |
| 80 | |
| 85 | |
| 88 | Do not know |
| 90 | |
| 95 | |
| 99 | Refused |
| 100 | |
| 102 | |
| 105 | |
| 110 | |
| 120 | |
| 125 | |
| 130 | |
| 140 | |
| 150 | |
| 160 | |
| 200 | |
| 220 | |
| 250 | |
| 350 | |
| 400 | |
| 450 | |
| 700 | |
| 3600 | |
| Sysmiss |