| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 year | 8563 |
6.1%
|
| 2 | 1-5 years. | 30640 |
22%
|
| 3 | Above 5 years. | 100223 |
71.8%
|
| 9 | Invalid | 144 |
0.1%
|