Year	% of women ages 15-49
1975	22.4
1980	29.7
1984	28.7
1988	35.4
1991	44.3
1992	44.8
1995	45.5
1997	51.8
1998	49.5
2000	53.9
2003	56.6
2005	56.5
2008	57.6
2014	56.9