Year	ages 15+
2000	33.4586305064658
2005	29.9144745865016
2010	26.792133484774
2011	26.2419808930419
2012	25.7197561146732
2013	25.1705290489589
2014	24.648218754468
2015	24.136346993823
2016	23.6460055237915