| Value | Category | 
|---|---|
| -9 | Don't know | 
| -8 | Refusal | 
| -7 | Does not apply | 
| 2 | |
| 5000 | |
| 6000 | |
| 20000 | |
| 66000 | |
| 80000 | |
| 100000 | |
| 120000 | |
| 150000 | |
| 180000 | |
| 220000 | |
| 240000 | |
| 250000 | |
| 266400 | |
| 282480 | |
| 303321 | |
| 360000 | |
| 455339 | |
| 480000 | |
| 500000 | |
| 600000 | |
| 700000 | |
| 840000 | |
| 960000 | |
| 1000000 | |
| 1200000 | |
| 1240344 | |
| 1440000 | |
| 1500000 | |
| 1800000 | |
| 2824800 | |
| 4100000 | |
| 15600000 | |
| Sysmiss |