Year	Percent change
1980	8.161
1981	3.815
1982	-0.084
1983	5.364
1984	10.165
1985	7.644
1986	11.494
1987	6.626
1988	5.213
1989	5.252
1990	3.012
1991	2.177
1992	1.158
1993	5.28
1994	6.676
1995	-4.359
1996	6.605
1997	5.471
1998	4.731
1999	3.708
2000	6.692
2001	-4.954
2002	1.024
2003	6.058
2004	5.736
2005	6.412
2006	12.729
2007	9.259
2008	-0.03
2009	-12.108
2010	-7.2
2011	-2.079
2012	3.507
2013	-0.104
2014	4.658
2015	4.026
2016	4.827
2017	3.627
2018	5.326
2019	3.982
2020	3.305
2021	2.499
2022	2
2023	2
2024	2