Year	Percent
1990	0.614
1991	0.565
1992	0.551
1993	0.573
1994	0.592
1995	0.619
1996	0.628
1997	0.643
1998	0.655
1999	0.697
2000	1.436
2001	1.119
2002	1.313
2003	1.211
2004	1.117
2005	1.03
2006	0.95
2007	1.396
2008	0.449
2009	0.71
2010	0.619
2011	0.54
2012	0.97
2013	0.6
2014	0.9
2015	1.1
2016	1.131
2017	1.097
2018	1.063
2019	1.029
2020	0.995
2021	0.961
2022	0.927
2023	0.893
2024	0.859
2025	0.825
2026	0.792
2027	0.758
2028	0.724
2029	0.69
2030	0.656