Year	Percent
1994	1.89211
1995	1.64503
1996	1.65353
1997	1.52791
1998	1.60329
1999	1.57606
2000	1.51788
2001	1.36751
2002	1.37649
2003	1.29903
2004	1.23096
2005	1.11163
2006	1.0825
2007	1.05336
2008	1.0541
2009	1.08232
2010	1.10828
2011	1.08027
2012	1.12285
2013	1.06672
2014	0.99661
2015	1.03412
2016	1.12498
2017	1.12844
2018	1.04425
2019	1.03895
2020	1.02808
2021	0.95091