Table 2.

Numbers of subjects contributing radiographs by 1 year age spans A total of 1,597 subjects spread fairly evenly between females and males comprised the DPT from subjects resident in Qatar

Age span	Number of females	Number of males
6.00–6.99	2	4
7.00–7.99	21	19
8.00–8.99	48	47
9.00–9.99	42	59
10.00–10.99	123	86
11.00–11.99	122	110
12.00–12.99	80	92
13.00–13.99	40	99
14.00–14.99	31	47
15.00–15.99	17	58
16.00–16.99	20	32
17.00–17.99	14	54
18.00–18.99	21	15
19.00–19.99	19	11
20.00–20.99	22	8
21.00–21.99	27	10
22.00–22.99	39	11
23.00–23.99	31	18
24.00–24.99	26	16
25.00–25.99	37	19
Total	782	815