Table 2. Number of patients by age

	Value
Age(years)
below 9	10(2.2)
10-19	9(1.9)
20-29	37(8)
30-39	50(10.8)
40-49	73(15.8)
50-59	122(26.4)
60-69	106(22.9)
70-79	41(8.9)
over 80	15(3.2)
Number of cases	463(100)