Age group | Frequency | % |
1 - 20 years old | 150 | 43.1 |
21 - 40 years old | 142 | 40.8 |
41 - 60 years old | 42 | 12.07 |
61 - 80 years old | 14 | 4.03 |
Total | 348 | 100 |