Year % of people ages 15 and above 1976 38.1967582702637 1986 44.4239883422852 1996 55.5870018005371 2005 67.3318710327148 2006 66.3699111938477 2010 72.0478515625 2012 73.865592956543 2013 72.442497253418 2017 71.1682510375977 2022 74.5