| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Ref |
| 900000 | |
| 1350000 | |
| 1800000 | |
| 2250000 | |
| 2700000 | |
| 3600000 | |
| 4400000 | |
| 4500000 | |
| 5850000 | |
| 6000000 | |
| 6300000 | |
| 9000000 | |
| 10000000 | |
| 14400000 | |
| 18000000 | |
| 26400000 | |
| 27000000 | |
| 42000000 | |
| 52800000 | |
| 54000000 | |
| 135000000 | |
| 180000000 | |
| 450000000 | |
| 2000000000 | |
| Sysmiss |