Year	%
1997	8.331444116980279
1998	8.843106180665611
1999	8.808977917219742
2000	9.673024523160764
2001	9.521619135234593
2002	11.088550479413426
2003	11.265911596672348
2004	12.145948072383952
2005	12.886882829771555
2006	13.43156701615189
2007	14.721203935944434
2008	15.545093695190616
2009	16.98824374046487
2010	17.42120842765106
2011	17.557797018655716
2012	19.294201099485726
2013	20.069270733115268
2014	21.07317958961323
2015	22.16251273973872
2016	22.34532128856315
2017	22.30537634408603
2018	22.789593953243106
2019	22.948551664504972
2020	24.450912939931207
2021	24.279359430604988
2022	24.86167119947483
2023	25.13650913199021