Year	%
1990	37.1912745628268
1991	38.1747036482909
1992	39.1858052514846
1993	40.2115269332877
1994	41.1377944760357
1995	41.9477300536504
1996	42.6236322259516
1997	43.1448124575171
1998	43.5862009144868
1999	44.0024635772841
2000	44.3821562613119
2001	44.7207537270629
2002	45.0093486668545
2003	45.281715206968
2004	45.5564654581128
2005	45.8269254748743
2006	46.0679271123879
2007	46.3055532218768
2008	46.5323504907869
2009	46.7144126940923
2010	46.8808814974506
2011	47.0351204980068
2012	47.1589801356064
2013	47.2966927971162
2014	47.424786376794
2015	47.4838355495913
2016	47.5057341949888
2017	47.5649209846133
2018	47.6280744988389
2019	47.6926167153871
2020	47.7701001023533
2021	47.8714095491725
2022	42.1659616139824