Year	Percent change
1980	5.862
1981	21.152
1982	22.73
1983	25.106
1984	29.3
1985	19.335
1986	11.666
1987	9.402
1988	9.58
1989	12.611
1990	13.37
1991	11.428
1992	8.863
1993	5.93
1994	4.971
1995	3.969
1996	2.936
1997	1.89
1998	2.215
1999	2.17
2000	2.805
2001	4.41
2002	3.701
2003	3.237
2004	2.51
2005	2.13
2006	3.046
2007	2.422
2008	2.652
2009	-0.903
2010	1.391
2011	3.554
2012	2.776
2013	0.44
2014	-0.16
2015	0.508
2016	0.636
2017	1.556
2018	1.168
2019	1
2020	1.7
2021	1.7
2022	1.76
2023	1.9
2024	2