| Value | Category |
|---|---|
| -9 | Don't know (spontaneous) |
| -8 | Refusal (spontaneous) |
| -7 | Does not apply |
| 0 | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 24 | |
| 25 | |
| 26 | |
| 28 | |
| 30 | |
| 31 | |
| 32 | |
| 33 | |
| 34 | |
| 35 | |
| 36 | |
| 37 | |
| 38 | |
| 39 | |
| 40 | |
| 41 | |
| 42 | |
| 43 | |
| 45 | |
| 46 | |
| 47 | |
| 49 | |
| 50 | |
| 51 | |
| 53 | |
| 55 | |
| 56 | |
| 59 | |
| 60 | |
| 65 | |
| 70 | |
| 73 | |
| 74 | |
| 75 | |
| 76 | |
| 78 | |
| 80 | |
| 81 | |
| 85 | |
| 86 | |
| 87 | |
| 90 | |
| 93 | |
| 95 | |
| 96 | |
| 100 | |
| 101 | |
| 103 | |
| 105 | |
| 107 | |
| 108 | |
| 110 | |
| 112 | |
| 116 | |
| 120 | |
| 124 | |
| 125 | |
| 130 | |
| 135 | |
| 140 | |
| 145 | |
| 146 | |
| 150 | |
| 155 | |
| 158 | |
| 160 | |
| 165 | |
| 168 | |
| 170 | |
| 171 | |
| 176 | |
| 180 | |
| 186 | |
| 189 | |
| 200 | |
| 201 | |
| 215 | |
| 224 | |
| 227 | |
| 230 | |
| 233 | |
| 235 | |
| 240 | |
| 247 | |
| 250 | |
| 255 | |
| 275 | |
| 282 | |
| 300 | |
| 301 | |
| 308 | |
| 315 | |
| 320 | |
| 331 | |
| 340 | |
| 366 | |
| 379 | |
| 400 | |
| 432 | |
| 450 | |
| 452 | |
| 490 | |
| 500 | |
| 550 | |
| 656 | |
| 681 | |
| 700 | |
| 710 | |
| 715 | |
| 736 | |
| 800 | |
| 858 | |
| 865 | |
| 900 | |
| 950 | |
| 1000 | |
| 1059 | |
| 1200 | |
| 1215 | |
| 1219 | |
| 1260 | |
| 1400 | |
| 1546 | |
| 1700 | |
| 2000 | |
| Sysmiss |