Year	Percent change
1993	13.087
1994	-20.773
1995	23.123
1996	21.6
1997	17.288
1998	2.049
1999	-6.166
2000	29.964
2001	22.951
2002	12.199
2003	2.577
2004	28.166
2005	28.303
2006	10.985
2007	24.663
2008	6.33
2009	-11.203
2010	-5.9
2011	4.125
2012	28.737
2013	6.046
2014	-4.839
2015	-5.6
2016	-8.436
2017	2.271
2018	0.404
2019	3.175
2020	2.973
2021	3.154
2022	3.123
2023	3.047
2024	3.025