Year	Percent
1992	0.008
1993	0.009
1994	0.01
1995	0.01
1996	0.011
1997	0.011
1998	0.011
1999	0.011
2000	0.009
2001	0.01
2002	0.01
2003	0.009
2004	0.009
2005	0.008
2006	0.008
2007	0.008
2008	0.007
2009	0.007
2010	0.007
2011	0.007
2012	0.007
2013	0.007
2014	0.007
2015	0.007
2016	0.007
2017	0.007
2018	0.007
2019	0.007
2020	0.007
2021	0.008
2022	0.008
2023	0.008
2024	0.008