Year	Percent change
1980	6.001
1981	10.346
1982	0.825
1983	1.144
1984	0.91
1985	0.689
1986	-1.379
1987	1.527
1988	1.406
1989	3.312
1990	3.819
1991	2.874
1992	1.79
1993	2.553
1994	2.877
1995	0.842
1996	1.999
1997	2.048
1998	-1.428
1999	0.678
2000	2.063
2001	-0.589
2002	0.437
2003	0.745
2004	1.311
2005	1.26
2006	0.808
2007	3.82
2008	5.366
2009	-0.527
2010	4.589
2011	5.535
2012	4.324
2013	1.499
2014	-0.076
2015	-0.64
2016	0.163
2017	0.375
2018	0.464
2019	1.445
2020	1.44
2021	1.348
2022	1.371
2023	1.419
2024	1.448
