Regional totals	Sex	Periodo	Total
National Total	Both sexes	2022	21,11
National Total	Both sexes	2021	21,09
National Total	Both sexes	2020	20,35
National Total	Both sexes	2019	21,52
National Total	Both sexes	2018	21,21
National Total	Both sexes	2017	21,12
National Total	Both sexes	2016	21,18
National Total	Both sexes	2015	20,81
National Total	Both sexes	2014	21,1
National Total	Both sexes	2013	21
National Total	Both sexes	2012	20,59
National Total	Both sexes	2011	20,67
National Total	Both sexes	2010	20,54
National Total	Both sexes	2009	20,24
National Total	Both sexes	2008	20,02
National Total	Both sexes	2007	19,79
National Total	Both sexes	2006	19,83
National Total	Both sexes	2005	19,25
National Total	Both sexes	2004	19,37
National Total	Both sexes	2003	18,93
National Total	Both sexes	2002	19,01
National Total	Both sexes	2001	18,97
National Total	Both sexes	2000	18,74
National Total	Both sexes	1999	18,32
National Total	Both sexes	1998	18,37
National Total	Both sexes	1997	18,44
National Total	Both sexes	1996	18,28
National Total	Both sexes	1995	18,2
National Total	Both sexes	1994	18,16
National Total	Both sexes	1993	17,9
National Total	Both sexes	1992	17,92
National Total	Both sexes	1991	17,57
National Total	Both sexes	1990	17,4
National Total	Both sexes	1989	17,4
National Total	Both sexes	1988	17,31
National Total	Both sexes	1987	17,28
National Total	Both sexes	1986	17,02
National Total	Both sexes	1985	16,75
National Total	Both sexes	1984	16,89
National Total	Both sexes	1983	16,58
National Total	Both sexes	1982	16,77
National Total	Both sexes	1981	16,4
National Total	Both sexes	1980	16,32
National Total	Both sexes	1979	16,11
National Total	Both sexes	1978	15,77
National Total	Both sexes	1977	15,62
National Total	Both sexes	1976	15,31
National Total	Both sexes	1975	15,19
National Total	Males	2022	19,06
National Total	Males	2021	18,94
National Total	Males	2020	18,26
National Total	Males	2019	19,44
National Total	Males	2018	19,15
National Total	Males	2017	19,07
National Total	Males	2016	19,09
National Total	Males	2015	18,76
National Total	Males	2014	19,03
National Total	Males	2013	18,91
National Total	Males	2012	18,5
National Total	Males	2011	18,55
National Total	Males	2010	18,4
National Total	Males	2009	18,12
National Total	Males	2008	17,94
National Total	Males	2007	17,64
National Total	Males	2006	17,7
National Total	Males	2005	17,13
National Total	Males	2004	17,22
National Total	Males	2003	16,83
National Total	Males	2002	16,86
National Total	Males	2001	16,81
National Total	Males	2000	16,61
National Total	Males	1999	16,17
National Total	Males	1998	16,22
National Total	Males	1997	16,3
National Total	Males	1996	16,16
National Total	Males	1995	16,1
National Total	Males	1994	16,09
National Total	Males	1993	15,84
National Total	Males	1992	15,88
National Total	Males	1991	15,57
National Total	Males	1990	15,43
National Total	Males	1989	15,46
National Total	Males	1988	15,41
National Total	Males	1987	15,39
National Total	Males	1986	15,19
National Total	Males	1985	14,89
National Total	Males	1984	15,04
National Total	Males	1983	14,83
National Total	Males	1982	15,01
National Total	Males	1981	14,64
National Total	Males	1980	14,6
National Total	Males	1979	14,4
National Total	Males	1978	14,13
National Total	Males	1977	14
National Total	Males	1976	13,7
National Total	Males	1975	13,62
National Total	Females	2022	22,96
National Total	Females	2021	23,05
National Total	Females	2020	22,29
National Total	Females	2019	23,38
National Total	Females	2018	23,04
National Total	Females	2017	22,95
National Total	Females	2016	23,03
National Total	Females	2015	22,63
National Total	Females	2014	22,91
National Total	Females	2013	22,84
National Total	Females	2012	22,43
National Total	Females	2011	22,53
National Total	Females	2010	22,41
National Total	Females	2009	22,1
National Total	Females	2008	21,83
National Total	Females	2007	21,67
National Total	Females	2006	21,67
National Total	Females	2005	21,11
National Total	Females	2004	21,23
National Total	Females	2003	20,76
National Total	Females	2002	20,87
National Total	Females	2001	20,83
National Total	Females	2000	20,56
National Total	Females	1999	20,2
National Total	Females	1998	20,22
National Total	Females	1997	20,26
National Total	Females	1996	20,08
National Total	Females	1995	19,98
National Total	Females	1994	19,9
National Total	Females	1993	19,63
National Total	Females	1992	19,62
National Total	Females	1991	19,23
National Total	Females	1990	19,04
National Total	Females	1989	19
National Total	Females	1988	18,87
National Total	Females	1987	18,81
National Total	Females	1986	18,49
National Total	Females	1985	18,25
National Total	Females	1984	18,38
National Total	Females	1983	17,99
National Total	Females	1982	18,19
National Total	Females	1981	17,82
National Total	Females	1980	17,71
National Total	Females	1979	17,5
National Total	Females	1978	17,11
National Total	Females	1977	16,94
National Total	Females	1976	16,63
National Total	Females	1975	16,49