Year	% of people ages 15 and above
1988	46.4677581787109
1989	46.9131813049316
1990	47.3970184326172
1991	47.6701316833496
1992	47.860179901123
1993	48.0554504394531
1994	48.4701881408691
1995	48.6869888305664
1996	49.0180397033691
1997	49.6881103515625
1998	50.3867416381836
1999	50.9513816833496
2000	51.0876617431641
2001	52.2048301696777
2002	52.8600616455078
2003	53.0444297790527
2004	54.5051307678223
2005	53.6730117797852
2006	52.0235214233398
2007	53.3560791015625
2008	54.1950988769531
2009	54.6545715332031
2010	55.0857086181641
2011	57.1377105712891
2012	57.5988883972168
2013	58.550479888916
2014	58.891731262207
2015	59.3603096008301
2016	60.1097602844238
2017	61.1258888244629
2018	60.9201889038086
2019	61.1112289428711
2020	61.1898498535156
2021	61.6633796691895
2022	61.8706207275391