Year	Percent
1995	2.25484
1996	2.30028
1997	2.06755
1998	2.12467
1999	1.64411
2000	1.71031
2001	2.12022
2002	2.0429
2003	1.81038
2004	1.66748
2005	1.61879
2006	1.8483
2007	2.296
2008	2.5332
2009	2.08513
2010	1.56838
2011	1.88144
2012	1.90186
2013	2.22231
2014	2.74875
2015	2.19588
2016	2.24238
2017	2.09037
2018	2.14505
2019	1.72555
2020	1.72923
2021	1.77847
2022	2.21939