Table 2.

Distribution of histologic categories by sex and 5-year periods

Period	SCC	ADCA	NSCC	Other	Unknown
Male
1989–1993	102 (29.3)	90 (25.9)	0 (0.0)	52 (14.9)	104 (29.9)
1994–1998	97 (29.9)	107 (33.0)	1 (0.3)	44 (13.6)	75 (23.2)
1999–2003	136 (26.5)	172 (33.5)	25 (4.9)	69 (13.4)	112 (21.8)
2004–2008	145 (18.0)	266 (33.0)	44 (5.5)	72 (8.9)	280 (34.7)
2009–2013	105 (14.2)	273 (36.8)	61 (8.2)	73 (9.9)	229 (30.9)
Female
1989–1993	21 (18.4)	48 (42.1)	0 (0.0)	9 (7.9)	36 (31.6)
1994–1998	16 (11.4)	72 (50.7)	0 (0.0)	17 (12.1)	36 (25.7)
1999–2003	25 (13.6)	92 (50.0)	6 (3.3)	7 (3.8)	54 (29.4)
2004–2008	17 (5.6)	161 (53.3)	17 (5.6)	8 (2.7)	99 (32.8)
2009–2013	14 (3.8)	211 (57.0)	18 (4.9)	16 (4.3)	111 (30.0)