Year	Percent change
1993	54.039
1994	-13.774
1995	-15.735
1996	10.5
1997	-3.215
1998	-15.3
1999	-13.3
2000	3.532
2001	12.534
2002	5.856
2003	30.306
2004	13.577
2005	12.794
2006	12.293
2007	20.301
2008	13.492
2009	-41.623
2010	15.014
2011	21.517
2012	1.613
2013	-8.575
2014	-24.991
2015	-28.625
2016	8.103
2017	16.748
2018	7.044
2019	4.391
2020	6.135
2021	7.362
2022	7.488
2023	6.711
2024	5.32