Year	Percent change
1982	4.857
1983	11.249
1984	5.428
1985	17.419
1986	-11.351
1987	-4.133
1988	8.622
1989	10.865
1990	26.115
1991	13.761
1992	15.181
1993	27.681
1994	41.976
1995	18.2
1996	17.015
1997	16.95
1998	8.268
1999	9.921
2000	15.317
2001	11.498
2002	11.373
2003	37.781
2004	21.684
2005	14.901
2006	12.331
2007	7.893
2008	19.847
2009	-4.681
2010	4.665
2011	10.381
2012	6.536
2013	4.539
2014	5.344
2015	11.277
2016	12.495
2017	15.376
2018	14.613
2019	13.5
2020	12.51
2021	12
2022	11
2023	10.5
2024	10