Year	Percent change
1980	0.789
1981	11.283
1982	5.573
1983	9.613
1984	12.036
1985	0.669
1986	0.23
1987	5.269
1988	3.815
1989	1.428
1990	4.694
1991	8.252
1992	7.503
1993	7.839
1994	16.67
1995	8.31
1996	10.318
1997	14.99
1998	8.018
1999	7.479
2000	10.244
2001	3.673
2002	1.366
2003	3.42
2004	4.253
2005	1.769
2006	4.938
2007	8.253
2008	-0.847
2009	-11.026
2010	9.43
2011	7.402
2012	1.067
2013	4.283
2014	4.289
2015	4.166
2016	5.206
2017	5.237
2018	2.176
2019	2.519
2020	3.536
2021	3.55
2022	3.281
2023	2.634
2024	2.535