Year	Percent change
1993	1
1994	12.8
1995	0.9
1996	2.745
1997	11.634
1998	7.823
1999	2.004
2000	12.593
2001	7.182
2002	7.782
2003	3.161
2004	13.043
2005	11.364
2006	14.123
2007	13.609
2008	4.167
2009	-16.587
2010	10.155
2011	6.894
2012	0.586
2013	3.05
2014	5.695
2015	5.007
2016	6.443
2017	10.748
2018	8.638
2019	5.194
2020	4.888
2021	5.028
2022	4.808
2023	4.264
2024	3.882