| Frequency | Percent |
1 - 15 year | 5 | 10% |
16 - 30 year | 12 | 24% |
31 - 45 year | 15 | 30% |
46 - 60 year | 11 | 22% |
61 - 75 year | 3 | 6% |
75 - 85 year | 4 | 8% |
Total | 50 | 100% |