| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 20000000 | |
| 30000000 | |
| 40000000 | |
| 50000000 | |
| 55000000 | |
| 60000000 | |
| 90000000 | |
| 100000000 | |
| 120000000 | |
| 130000000 | |
| 140000000 | |
| 150000000 | |
| 165000000 | |
| 200000000 | |
| 210000000 | |
| 250000000 | |
| 278000000 | |
| 300000000 | |
| 350000000 | |
| 370000000 | |
| 400000000 | |
| 500000000 | |
| 506000000 | |
| 550000000 | |
| 565000000 | |
| 600000000 | |
| 664000000 | |
| 700000000 | |
| 735000000 | |
| 750000000 | |
| 800000000 | |
| 856000000 | |
| 900000000 | |
| 950000000 | |
| 954500000 | |
| 1000000000 | |
| 1022000000 | |
| 1070000000 | |
| 1120000000 | |
| 1200000000 | |
| 1500000000 | |
| 1575000000 | |
| 1880000000 | |
| 2000000000 | |
| 2160000000 | |
| 2400000000 | |
| 2500000000 | |
| 3390000000 | |
| 4000000000 | |
| 4300000000 | |
| 6800000000 | |
| 12000000000 | |
| 13000000000 | |
| 14000000000 | |
| 14600000000 | |
| 20000000000 | |
| 22000000000 | |
| 25500000000 | |
| 30800000000 | |
| 50350000000 | |
| 75800000000 | |
| 88000000000 | |
| 516000000000 | |
| Sysmiss |