Year	%
1990	30.7943771808002
1991	31.4729498834669
1992	32.1713253558575
1993	33.0726962521126
1994	34.1659665107053
1995	35.2344380209734
1996	36.1957648959981
1997	37.0290617413473
1998	37.7326005098692
1999	38.2304942167356
2000	38.5951980565336
2001	38.9037228553872
2002	39.1734872476029
2003	39.4161469633937
2004	39.6462552200147
2005	39.8440519933416
2006	40.0116244993991
2007	40.1766583346845
2008	40.3593589873532
2009	40.5898490236119
2010	40.8802531721511
2011	41.2241288590389
2012	41.5553764467796
2013	41.9286502263084
2014	42.3277382764445
2015	42.7757961552733
2016	43.2529205181556
2017	43.7400771535874
2018	44.1665742368591
2019	44.4795470830679
2020	44.7632663499876
2021	45.0568300088811
2022	45.2619301600164