Year	%
1990	8.92791803878522
1991	9.14868707141662
1992	9.57615121991839
1993	10.3561517113784
1994	11.5559678775404
1995	13.151269035533
1996	14.9613136309367
1997	16.7409061821649
1998	18.3771235623088
1999	19.9160541798787
2000	21.2521651446276
2001	22.4742389275162
2002	23.5942326108361
2003	24.6616333381529
2004	25.7107127969987
2005	26.688496111273
2006	27.6383353876597
2007	28.5098175778843
2008	29.1465595438642
2009	29.6136780216148
2010	29.9633199114251
2011	30.2683110525325
2012	30.6086573370725
2013	30.912492597046
2014	31.0699010196643
2015	31.1324938112152
2016	31.1405366035435
2017	31.0859887535145
2018	30.9484213713106
2019	30.7291924033536
2020	30.4391613888423
2021	30.1039445085574
2022	29.6967479674797