| Value | Category | 
|---|---|
| -99 | Don't know | 
| -98 | Refused to answer | 
| -95 | |
| -90 | Not asked by interviewer | 
| 1 | Yes | 
| 2 | No | 
| 1000 | |
| 2000 | |
| 2500 | |
| 3000 | |
| 4000 | |
| 5000 | |
| 5600 | |
| 6000 | |
| 6304 | |
| 7000 | |
| 7071 | |
| 8000 | |
| 9000 | |
| 10000 | |
| 10800 | |
| 11271 | |
| 12000 | |
| 14000 | |
| 14617 | |
| 15000 | |
| 15422 | |
| 17000 | |
| 18000 | |
| 20000 | |
| 23317 | |
| 25000 | |
| 27000 | |
| 30000 | |
| 33600 | |
| 34800 | |
| 35000 | |
| 40000 | |
| 42000 | |
| 45000 | |
| 47000 | |
| 55000 | |
| 60000 | |
| 100000 | |
| 106000 | |
| 146400 |