Age (yrs)

Frequency

Percent

Maximum

Minimum

Mean (yrs) SD

20 - 29

04

08

30 - 39

06

12

40 - 49

15

30

50 - 59

13

26

78

20

45.5 ± 10.6

60 - 69

07

14

>70

05

10

All ages

50

100%