Year	Percent
1995	6.65321
1996	7.02687
1997	9.00202
1998	12.91118
1999	6.29026
2000	5.66469
2001	8.15638
2002	5.83955
2003	6.19838
2004	6.25088
2005	5.0604
2006	5.19128
2007	5.24228
2008	4.80534
2009	6.6212
2010	6.18029
2011	5.84568
2012	6.06963
2013	6.50749
2014	7.54706
2015	9.12253
2016	9.83117
2017	10.017
2018	8.60774
2019	7.88263
2020	9.94654
2021	11.48635
2022	13.64911