|
| Frequency | Percent | Valid Percent | Cumulative Percent | |
| Valid | 6 - 10 years | 14 | 12.8 | 12.8 | 12.8 |
| 11 - 20 years | 46 | 42.2 | 42.2 | 55.0 | |
| >20 years | 49 | 45.0 | 45.0 | 100.0 | |
| Total | 109 | 100.0 | 100.0 |
| |