| Frequency | Percent | Valid Percent | Cumulative Percent | |
Valid | Less than 3 yrs | 10 | 8.2 | 8.2 | 8.2 |
| 3 - 6 yrs | 50 | 41.0 | 41.0 | 49.2 |
| 7 - 10 yrs | 38 | 31.1 | 31.1 | 80.3 |
| Above 10 yrs | 24 | 19.7 | 19.7 | 100.0 |
| Total | 122 | 100.0 | 100.0 |
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