Year	Percent change
1980	-7
1981	14.41
1982	15.251
1983	6.236
1984	9.428
1985	-9.747
1986	4.756
1987	10.407
1988	31.155
1989	4.516
1990	8.228
1991	6.56
1992	6.4
1993	16.698
1994	9.19
1995	20.084
1996	17.388
1997	10.449
1998	7.612
1999	6.113
2000	11.996
2001	0.44
2002	0.551
2003	2
2004	10.266
2005	6.25
2006	8.75
2007	1.685
2008	-1.039
2009	-11.438
2010	24.345
2011	8.295
2012	6.585
2013	1.246
2014	6.53
2015	7.568
2016	2.545
2017	3.835
2018	6.02
2019	3.315
2020	3.336
2021	4.179
2022	4.413
2023	4.66
2024	4.673