Year	Percent change
1980	-4.041
1981	4.42
1982	3.08
1983	4.153
1984	0.95
1985	-0.9
1986	7
1987	7.7
1988	-3.993
1989	4.7
1990	4.875
1991	0.834
1992	2.778
1993	2.211
1994	1.875
1995	2.521
1996	0.236
1997	-1.641
1998	-1.21
1999	0.981
2000	0.776
2001	1.281
2002	0.675
2003	3.667
2004	1.324
2005	0.894
2006	2.899
2007	1.444
2008	-0.818
2009	-3.401
2010	-1.436
2011	1.42
2012	-0.502
2013	0.208
2014	0.573
2015	0.85
2016	1.504
2017	0.658
2018	1.383
2019	1.735
2020	1.912
2021	2.175
2022	2.325
2023	2.35
2024	2.35