Year	Percent change
1980	-1.387
1981	8.052
1982	0.796
1983	-90.597
1984	-25.583
1985	2.274
1986	-2.717
1987	244.868
1988	110.192
1989	-2.412
1990	-1.356
1991	-3.255
1992	12.688
1993	34.306
1994	-2.545
1995	3.746
1996	-6.073
1997	15.629
1998	14.224
1999	4.68
2000	-2.416
2001	12.74
2002	7.549
2003	4.768
2004	-10.435
2005	-0.439
2006	8.77
2007	4.153
2008	-8.932
2009	6.13
2010	-10.503
2011	-0.108
2012	7.013
2013	15.217
2014	11.737
2015	12.742
2016	14.055
2017	6.516
2018	-3.482
2019	7.038
2020	6.072
2021	5.793
2022	2.628
2023	4.56
2024	3.348