Year	Percent
1990	1.21
1991	1.27
1992	1.88
1993	1.39
1994	2.07
1995	1.14
1996	0.86
1997	0.88
1998	0.55
1999	0.64
2000	1.17
2001	0.48
2002	0.49
2003	0.93
2004	0.4
2005	0.35
2006	0.48
2007	0.27
2008	0.85
2009	1.44
2010	1.87
2011	2.22
2012	1.87
2013	1.7
2014	2.24
2015	2.2
2016	0.51
2017	0.727
2018	0.943
2019	1.16
2020	1.376
2021	1.593
2022	1.809
2023	2.026
2024	2.242
2025	2.459
2026	2.675
2027	2.892
2028	3.108
2029	3.325
2030	3.541