| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal to answer |
| -7 | Does not apply |
| 120 | |
| 160 | |
| 166 | |
| 170 | |
| 175 | |
| 180 | |
| 190 | |
| 200 | |
| 210 | |
| 220 | |
| 226 | |
| 230 | |
| 240 | |
| 250 | |
| 260 | |
| 267 | |
| 279 | |
| 280 | |
| 290 | |
| 300 | |
| 320 | |
| 330 | |
| 340 | |
| 350 | |
| 380 | |
| 400 | |
| 420 | |
| 421 | |
| 450 | |
| 480 | |
| 490 | |
| 498 | |
| 500 | |
| 547 | |
| 550 | |
| 600 | |
| 650 | |
| 694 | |
| 700 | |
| 750 | |
| 775 | |
| 800 | |
| 900 | |
| 1000 | |
| 1010 | |
| 1100 | |
| 1200 | |
| 1300 | |
| 1400 | |
| 1500 | |
| 1800 | |
| 2000 | |
| 2088 | |
| Sysmiss |