| Value | Category |
|---|---|
| -9 | Don't know (SPONTANEOUS) |
| 500 | |
| 1000 | |
| 1200 | |
| 1500 | |
| 2000 | |
| 2400 | |
| 2500 | |
| 4000 | |
| 4400 | |
| 4500 | |
| 4800 | |
| 5000 | |
| 6000 | |
| 7000 | |
| 8000 | |
| 10000 | |
| 12000 | |
| 14000 | |
| 15000 | |
| 16000 | |
| 20000 | |
| 24000 | |
| 25000 | |
| 30000 | |
| 35000 | |
| 36000 | |
| 40000 | |
| 46000 | |
| 50000 | |
| 60000 | |
| 90000 | |
| 92000 | |
| 96000 | |
| 100000 | |
| 108000 | |
| 225000 | |
| 250000 | |
| Sysmiss |