| Value | Category |
|---|---|
| 1 | 1. LESS THAN ONE MONTH |
| 2 | 2. 1 TO LESS THAN 3 MONTHS |
| 3 | 3. 3 TO LESS THAN 6 MONTHS |
| 4 | 4. 6 TO LESS THAN 12 MONTHS |
| 5 | 5. 1 TO LESS THAN 2 YEARS |
| 6 | 6. 2 TO LESS THAN 5 YEARS |
| 7 | 7. 5 TO LESS THAN 10 YEARS |
| 8 | 8. MORE THAN 10 YEARS |
| 9 | 9. DON’T KNOW |