Year	Percent
1990	0.014
1991	0.013
1992	0.012
1993	0.013
1994	0.012
1995	0.013
1996	0.013
1997	0.012
1998	0.012
1999	0.012
2000	0.012
2001	0.012
2002	0.012
2003	0.012
2004	0.012
2005	0.012
2006	0.014
2007	0.014
2008	0.013
2009	0.013
2010	0.013
2011	0.013
2012	0.014
2013	0.014
2014	0.014
2015	0.014
2016	0.014
2017	0.013
2018	0.013
2019	0.014
2020	0.014
2021	0.014
2022	0.015
2023	0.016
2024	0.016