Year	%
1990	43.469490670701
1991	43.4839270199826
1992	43.4882827506723
1993	43.5175530066041
1994	43.5494223363286
1995	43.5936086825445
1996	43.6583261432269
1997	43.7308868501529
1998	43.7771739130435
1999	43.8422323584653
2000	43.9434364994664
2001	44.0096488876977
2002	44.1040932502033
2003	44.2463533225284
2004	44.441496418148
2005	44.6475195822454
2006	44.9948665297741
2007	45.4178237818733
2008	45.8946843024707
2009	46.4840858623242
2010	46.7738008278549
2011	47.0716889428919
2012	47.320773183264
2013	47.6485148514852
2014	47.9254658385093
2015	48.1204879263132
2016	48.3546847525747
2017	48.4090909090909
2018	48.4619263741805
2019	48.4229119354025
2020	48.4108822781592
2021	48.3547557840617
2022	48.1962107448741