The majority of the 145 people aged 20-30 years (36.2%), followed by people aged under 20 years, 117 (29.2%), aged 30-40 years, 75 (18.8%), aged 40-50. Year 39 students (9.8%), aged 50-60 years, 17 (4.2%) and 60 years and were 7 (1.8%), respectively.
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