Year	Percent change
1981	0.9
1982	-0.6
1983	4.8
1984	7.4
1985	5.6
1986	2.1
1987	4.5
1988	9
1989	7.636
1990	6.08
1991	5.521
1992	2.403
1993	4.307
1994	9.693
1995	10.922
1996	3.285
1997	8.849
1998	7.061
1999	8.642
2000	14.199
2001	0.819
2002	0.556
2003	2.535
2004	10.081
2005	6.045
2006	8.173
2007	5.119
2008	0.627
2009	-10.134
2010	11.111
2011	5.028
2012	3.109
2013	1.876
2014	3.053
2015	5.074
2016	4.379
2017	5.871
2018	2.235
2019	2.1
2020	2.2
2021	2.6
2022	3
2023	3
2024	3.1