Year	% of adults
2004	4.064444444444445
2005	3.681132075471698
2006	4.120754716981132
2007	4.8999999999999995
2008	5.527777777777778
2009	6.083333333333332
2010	6.362962962962962
2011	6.294444444444443
2012	7.183928571428571
2013	8.27704918032787
2014	8.524590163934427
2015	8.90983606557377
2016	9.401639344262291
2017	9.368852459016393
2018	10.024590163934427
2019	9.880327868852456