| Value | Category | 
|---|---|
| -9 | Don't know (spontaneous) | 
| 0 | None | 
| 10000 | |
| 24000 | |
| 25000 | |
| 30000 | |
| 33000 | |
| 45000 | |
| 50000 | |
| 60000 | |
| 65000 | |
| 72000 | |
| 80000 | |
| 84000 | |
| 100000 | |
| 120000 | |
| 140000 | |
| 144000 | |
| 150000 | |
| 160000 | |
| 168000 | |
| 170000 | |
| 180000 | |
| 200000 | |
| 220000 | |
| 240000 | |
| 250000 | |
| 300000 | |
| 350000 | |
| 360000 | |
| 400000 | |
| 420000 | |
| 440000 | |
| 450000 | |
| 480000 | |
| 500000 | |
| 600000 | |
| 650000 | |
| 660000 | |
| 700000 | |
| 720000 | |
| 800000 | |
| 900000 | |
| 1000000 | |
| 1200000 | |
| 1300000 | |
| 1500000 | |
| 1800000 | |
| 2000000 | |
| 2500000 | |
| 2900000 | |
| 3000000 | |
| 3500000 | |
| 3600000 | |
| 4800000 | |
| 5000000 | |
| 5100000 | |
| 6000000 | |
| 7000000 | |
| 7200000 | |
| 7800000 | |
| 8400000 | |
| 9000000 | |
| 10000000 | |
| 11000000 | |
| 15000000 | |
| 18000000 | |
| 20000000 | |
| 24000000 | |
| 36000000 | |
| 40000000 | |
| 60000000 | |
| 540000000 | |
| Sysmiss |