Year	Percent change
1980	4.515
1981	1.598
1982	0.235
1983	3.973
1984	6.052
1985	5.553
1986	4.042
1987	1.753
1988	-0.255
1989	1.038
1990	1.932
1991	3.085
1992	3.574
1993	2.845
1994	5.055
1995	4.154
1996	5.028
1997	5.285
1998	2.624
1999	2.013
2000	3.205
2001	2.085
2002	1.438
2003	0.92
2004	3.959
2005	2.625
2006	2.395
2007	2.985
2008	0.481
2009	-1.691
2010	0.692
2011	0.972
2012	2.722
2013	1.044
2014	1.975
2015	1.97
2016	1.187
2017	1.98
2018	1.399
2019	2.009
2020	1.864
2021	1.759
2022	1.705
2023	1.66
2024	1.67