Year	%
1990	44.2016806722689
1991	44.1666666666667
1992	44.340723453909
1993	44.4995044598612
1994	44.5670628183362
1995	44.7291361639824
1996	44.9423815620999
1997	45.1377178189994
1998	45.01953125
1999	44.6943972835314
2000	44.6051167964405
2001	44.7009102730819
2002	44.7270648756788
2003	44.7381671701913
2004	44.6492007104796
2005	44.5252604678592
2006	44.4328824141519
2007	44.3778801843318
2008	44.4201909959072
2009	44.7001817080557
2010	45.1786482996126
2011	45.6170703575548
2012	45.9782983120909
2013	46.2907093679895
2014	46.5875785066294
2015	46.8447370086714
2016	47.0472554803632
2017	47.2123116246872
2018	47.3658272140358
2019	47.5042398129899
2020	47.6290336386202
2021	47.7251810651835
2022	47.7838608069597