| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal to answer |
| -7 | Does not apply |
| 100 | |
| 450 | |
| 500 | |
| 540 | |
| 600 | |
| 650 | |
| 670 | |
| 700 | |
| 720 | |
| 730 | |
| 750 | |
| 797 | |
| 800 | |
| 820 | |
| 850 | |
| 853 | |
| 890 | |
| 900 | |
| 920 | |
| 950 | |
| 960 | |
| 1000 | |
| 1050 | |
| 1100 | |
| 1123 | |
| 1130 | |
| 1150 | |
| 1190 | |
| 1200 | |
| 1300 | |
| 1344 | |
| 1350 | |
| 1400 | |
| 1480 | |
| 1500 | |
| 1550 | |
| 1600 | |
| 1700 | |
| 1800 | |
| 1900 | |
| 1920 | |
| 1927 | |
| 2000 | |
| 2025 | |
| 2100 | |
| 2200 | |
| 2225 | |
| 2300 | |
| 2500 | |
| 2520 | |
| 2595 | |
| 2700 | |
| 2800 | |
| 2950 | |
| 3000 | |
| 3028 | |
| 3200 | |
| 3414 | |
| 3500 | |
| 3800 | |
| 4000 | |
| 4500 | |
| 8000 | |
| Sysmiss |