Year	male	female
1965	54.1	38.1
1974	42.1	34.1
1979	35	33.8
1985	28	30.4
1990	26.6	22.5
1995	27.8	22.4
1999	29.5	26.3
2000	28.1	24.9
2001	30.2	23.2
2002	32.1	24.5
2003	26.3	21.5
2004	25.6	21.5
2005	28	20.7
2006	28.5	19.3
2007	25.4	19.1
2008	23.6	19
2009	28	15.6
2010	21.9	17.4
2011	21.5	16.5
2013	21.9	15.4
2014	18.5	14.8