| Value | Category | 
|---|---|
| -9 | Don't know | 
| -8 | Refusal | 
| -7 | Does not apply | 
| 25 | |
| 40 | |
| 45 | |
| 50 | |
| 60 | |
| 67 | |
| 70 | |
| 80 | |
| 100 | |
| 102 | |
| 120 | |
| 130 | |
| 133 | |
| 150 | |
| 170 | |
| 180 | |
| 190 | |
| 200 | |
| 225 | |
| 242 | |
| 250 | |
| 260 | |
| 280 | |
| 300 | |
| 303 | |
| 320 | |
| 378 | |
| 500 | |
| 800 | |
| 900 | |
| 1000 | |
| 1100 | |
| 1200 | |
| 1450 | |
| 1500 | |
| 1600 | |
| 2200 | |
| 2500 | |
| 3000 | |
| 3200 | |
| 5000 | |
| 6000 | |
| 10000 | |
| 12000 | |
| 13000 | |
| 200000 | |
| 9999999 | |
| Sysmiss |