Year	% of population
2000	25.632071690810953
2001	25.88325591830803
2002	26.185619187139917
2003	26.486278078214923
2004	26.83038254554296
2005	27.219551282925323
2006	27.606415400042547
2007	28.038892290743213
2008	28.481930312180026
2009	29.013606612031975
2010	29.56945703881034
2011	30.14385021534798
2012	30.795937243213753
2013	31.317991451236132
2014	31.816778387016562
2015	32.31393238905407
2016	32.80346049786289
2017	33.295538731800384
2018	33.79421550103763
2019	34.29986317004534
2020	34.78176054114489
2021	35.115684548078015
2022	35.44183583450682