Year	Percent change
1993	9.915
1994	9.915
1995	28.334
1996	-4.373
1997	-26.086
1998	10.377
1999	-22.952
2000	-6.078
2001	-34.852
2002	-31.462
2003	-2.683
2004	-22.717
2005	39.767
2006	-24.189
2007	61.239
2008	9.808
2009	0.892
2010	51.517
2011	13.006
2012	-11.011
2013	39.743
2014	-4.855
2015	-6.106
2016	-0.347
2017	-8.61
2018	-0.508
2019	11.466
2020	11.853
2021	7.546
2022	2.3
2023	2.455
2024	2.749