| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal to answer |
| 0 | |
| 2 | |
| 6 | |
| 10 | |
| 12 | |
| 15 | |
| 18 | |
| 20 | |
| 24 | |
| 25 | |
| 30 | |
| 40 | |
| 42 | |
| 45 | |
| 50 | |
| 60 | |
| 70 | |
| 75 | |
| 80 | |
| 85 | |
| 100 | |
| 110 | |
| 120 | |
| 130 | |
| 135 | |
| 140 | |
| 150 | |
| 160 | |
| 170 | |
| 175 | |
| 180 | |
| 200 | |
| 250 | |
| 252 | |
| 280 | |
| 297 | |
| 300 | |
| 350 | |
| 360 | |
| 400 | |
| 430 | |
| 500 | |
| 520 | |
| 550 | |
| 600 | |
| 645 | |
| 700 | |
| 750 | |
| 800 | |
| 900 | |
| 960 | |
| 1000 | |
| 1100 | |
| 1132 | |
| 1200 | |
| 1300 | |
| 1400 | |
| 1500 | |
| 1680 | |
| 1704 | |
| 1800 | |
| 1889 | |
| 1900 | |
| 1940 | |
| 2000 | |
| 2200 | |
| 2400 | |
| 2500 | |
| 2645 | |
| 2700 | |
| 3000 | |
| 3500 | |
| 3600 | |
| 3700 | |
| 3900 | |
| 4000 | |
| 4500 | |
| 4800 | |
| 5000 | |
| 5584 | |
| 5890 | |
| 6000 | |
| 6800 | |
| 9000 | |
| 9030 | |
| 9600 | |
| 10000 | |
| 10500 | |
| 11000 | |
| 12000 | |
| 13000 | |
| 13600 | |
| 15000 | |
| 18000 | |
| 19500 | |
| 20000 | |
| 24000 | |
| 27000 | |
| 30000 | |
| 31860 | |
| 62000 | |
| 70000 | |
| 150000 | |
| 600000 | |
| Sysmiss |