Year	%
1990	38.5536257482092
1991	40.3254437869822
1992	41.9947053406998
1993	43.3845163663112
1994	44.5180224245617
1995	45.3313349065629
1996	45.9074534334944
1997	46.2582973675576
1998	46.4074446444855
1999	46.4063195371607
2000	46.2805985641381
2001	46.0701460120852
2002	45.7869946356143
2003	45.4549550564329
2004	45.3425947727808
2005	45.4869446850637
2006	45.865133298484
2007	46.4057353226119
2008	47.0595147171141
2009	47.8690739376075
2010	48.81459734192
2011	49.786725263362
2012	50.7202252340732
2013	51.73029841858
2014	52.8631564880396
2015	53.8731562426165
2016	54.7132051151589
2017	55.4022832291384
2018	55.9521388380449
2019	56.3586644610243
2020	56.7228445520907
2021	56.9668151223922
2022	57.0901475867571