Year	Percent
1990	4.229
1991	4.504
1992	4.579
1993	4.59
1994	4
1995	2.66
1996	1.56
1997	1.18
1998	0.94
1999	0.93
2000	1.15
2001	0.76
2002	0.83
2003	1.05
2004	1.08
2005	0.87
2006	0.91
2007	1.23
2008	1.28
2009	1.21
2010	1.34
2011	1.45
2012	1.47
2013	1.36
2014	1.27
2015	1.48
2016	1.62
2017	1.66
2018	1.7
2019	1.741
2020	1.781
2021	1.821
2022	1.861
2023	1.901
2024	1.941
2025	1.982
2026	2.022
2027	2.062
2028	2.102
2029	2.142
2030	2.183