Year	Percent change
1981	7.262
1982	4.281
1983	2.969
1984	2.799
1985	1.65
1986	-0.313
1987	-0.5
1988	1.205
1989	1.29
1990	4.676
1991	4.11
1992	1.685
1993	1.55
1994	1.965
1995	1.008
1996	1.908
1997	2.189
1998	1.494
1999	2.027
2000	3.075
2001	5.281
2002	3.298
2003	1.59
2004	1.243
2005	1.959
2006	1.713
2007	1.582
2008	1.658
2009	0.694
2010	1.806
2011	2.451
2012	3.305
2013	1.3
2014	-0.13
2015	0.452
2016	0.73
2017	1.22
2018	1.872
2019	1.97
2020	1.688
2021	1.788
2022	1.888
2023	1.988
2024	2.038