Year	Percent change
1992	12.447
1993	20.206
1994	29.901
1995	-12.628
1996	8.104
1997	12.764
1998	-9.365
1999	3.324
2000	-2.696
2001	7.587
2002	-5.037
2003	-1.454
2004	10.062
2005	2.948
2006	3.1
2007	8.885
2008	8.932
2009	5.431
2010	6.927
2011	16.654
2012	5.43
2013	3.064
2014	1.179
2015	1.155
2016	1.825
2017	2.234
2018	1.317
2019	2.117
2020	2.422
2021	2.523
2022	2.625
2023	2.015
2024	2.015