| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 16 | |
| 20 | |
| 21 | |
| 25 | |
| 28 | |
| 30 | |
| 36 | |
| 40 | |
| 43 | |
| 45 | |
| 50 | |
| 60 | |
| 65 | |
| 70 | |
| 72 | |
| 73 | |
| 80 | |
| 100 | |
| 102 | |
| 110 | |
| 120 | |
| 123 | |
| 140 | |
| 150 | |
| 160 | |
| 200 | |
| 206 | |
| 224 | |
| 230 | |
| 240 | |
| 256 | |
| 290 | |
| 300 | |
| 304 | |
| 350 | |
| 361 | |
| 436 | |
| 500 | |
| 550 | |
| 622 | |
| 800 | |
| 1000 | |
| 1200 | |
| 1203 | |
| 3000 | |
| 3800 | |
| 4000 | |
| 4200 | |
| 6000 | |
| 10000 | |
| 20000 | |
| 31700 | |
| Sysmiss |