| Value | Category |
|---|---|
| 1 | 1 to 5000 Ksh |
| 2 | 5000 to 10000 Ksh |
| 3 | 10001 to 15000 Ksh |
| 4 | 15001 to 20000 Ksh |
| 5 | 20001 to 25000 Ksh |
| 6 | 25001 to 30000 Ksh |
| 7 | 30001-35000 Ksh |
| 8 | 35001-40000 Ksh |
| 9 | 40001-45000 Ksh |
| 10 | 45001-50000 Ksh |
| 11 | More than 50000 Ksh |
| 12 | Refused to answer |
| Sysmiss |