Year	Percent change
1992	-90.162
1993	118.936
1994	-1.523
1995	18.899
1996	0.908
1997	-6.074
1998	-11.554
1999	19.586
2000	-17.741
2001	18.865
2002	-9.207
2003	2.179
2004	25.008
2005	-6.486
2006	-10.745
2007	31.741
2008	14.408
2009	8.811
2010	-7.334
2011	-3.622
2012	3.455
2013	9.618
2014	0.509
2015	5.597
2016	-19.952
2017	0.984
2018	9.142
2019	8.051
2020	2.276
2021	3.978
2022	7.018
2023	9.256
2024	10.948