Year	%
1990	55.79618952134281
1991	56.357768955744255
1992	56.93517096799815
1993	57.48431984568157
1994	57.75219758850997
1995	58.078872215791876
1996	58.32061864594279
1997	58.54526896710145
1998	58.693019591997235
1999	58.807872393850964
2000	58.95339971348511
2001	59.0581999006474
2002	59.14215033520611
2003	59.19712968913907
2004	59.24095571155955
2005	59.31771142762152
2006	59.37795168049906
2007	59.39940160546063
2008	59.47084577642145
2009	59.5406361946799
2010	59.63053039889693
2011	59.78005567816029
2012	60.01237513332919
2013	60.32118509765535
2014	60.691624913716666
2015	61.021062822960545
2016	61.351580193701686
2017	61.69527849640226
2018	62.073766674543165
2019	62.40676121017098
2020	62.722294929453916
2021	63.01697013540148
2022	63.29023524589062