Year	Percent change
1980	7.051
1981	11.224
1982	6.839
1983	4.996
1984	3.383
1985	4.153
1986	0.794
1987	2.021
1988	5.321
1989	0
1990	2.047
1991	3.225
1992	2.397
1993	1.473
1994	2.569
1995	2.89
1996	6.425
1997	1.026
1998	-0.847
1999	-1.207
2000	0.614
2001	1.149
2002	2.195
2003	2.621
2004	3.067
2005	3.651
2006	4.24
2007	2.318
2008	6.394
2009	-1.104
2010	0.918
2011	1.695
2012	1.208
2013	0.51
2014	1.201
2015	-0.862
2016	0.663
2017	1.148
2018	0.294
2019	1.2
2020	1.6
2021	2
2022	2
2023	2
2024	2