Year	Percent
1995	5.57758
1996	5.16558
1997	4.50207
1998	3.87661
1999	3.25278
2000	3.12672
2001	3.25342
2002	2.72576
2003	2.6098
2004	3.2926
2005	2.91894
2006	2.69199
2007	3.04554
2008	2.59262
2009	2.55892
2010	2.93453
2011	3.19675
2012	3.00836
2013	3.24619
2014	2.99303
2015	2.50307
2016	2.64536
2017	3.01035
2018	2.41462
2019	2.36946
2020	2.56884
2021	2.24186
2022	2.84004