Year	Percent
1995	1.30662
1996	1.32831
1997	1.34082
1998	1.25568
1999	1.07624
2000	1.17601
2001	1.10935
2002	1.03313
2003	1.02944
2004	1.02291
2005	0.84064
2006	0.90727
2007	0.88752
2008	0.71234
2009	0.64527
2010	0.7651
2011	0.64803
2012	0.78123
2013	0.68117
2014	0.63784
2015	0.68641
2016	0.62843
2017	0.66509
2018	0.60304
2019	0.67001
2020	0.67916
2021	0.6416
2022	0.64058