Year	Percent change
1980	-0.825
1981	3.079
1982	5.556
1983	2.98
1984	4.329
1985	3.309
1986	4.072
1987	2.14
1988	7.738
1989	5.52
1990	5.191
1991	4.767
1992	6.222
1993	3.847
1994	4.475
1995	2.814
1996	4.921
1997	3.482
1998	1.404
1999	1.59
2000	4.904
2001	3.276
2002	1.576
2003	4.071
2004	2.398
2005	3.112
2006	4.417
2007	4.993
2008	5.536
2009	3.149
2010	6.289
2011	6.664
2012	4.913
2013	2.167
2014	2.967
2015	2.486
2016	3.061
2017	-1.564
2018	1.474
2019	3.867
2020	0.272
2021	2.776
2022	2.87
2023	2.223
2024	1.706