Year	Percent
1990	1.92
1991	1.92
1992	2.25
1993	1.98
1994	2.35
1995	2.28
1996	2.4
1997	1.96
1998	1.47
1999	3.4
2000	2.21
2001	2.26
2002	2.02
2003	2.43
2004	2.38
2005	3.44
2006	2.75
2007	3.03
2008	2.91
2009	3.07
2010	3.19
2011	3.39
2012	4
2013	3.64
2014	3.78
2015	4.17
2016	3.65
2017	3.774
2018	3.899
2019	4.023
2020	4.147
2021	4.272
2022	4.396
2023	4.52
2024	4.645
2025	4.769
2026	4.893
2027	5.018
2028	5.142
2029	5.266
2030	5.391