Table 2.

Age-corrected incidence rates per million.

Age category (years)	Total incidence	Extragnatic	Maxilla	Mandible
0–19	19.72	19.42	0.46	0.31
20–39	9.07	7.98	0.63	0.46
40–59	6.34	5.23	0.83	0.28
60–79	18.03	15.37	1.09	1.57
80–99	16.39	14.39	1.60	0.40