Age | Frequency | Percentage | Cumulative Percentage |
Below 20 | 15 | 18.75 | 18.75 |
21 - 30 | 25 | 31.25 | 50.00 |
31 - 40 | 22 | 27.50 | 77.50 |
Above 40 | 18 | 22.50 | 100.00 |
Total | 80 | 100.00 |
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