Year	Percent change
1993	22.687
1994	19.465
1995	8.961
1996	9.159
1997	8.733
1998	6.457
1999	7.988
2000	8.904
2001	7.044
2002	7.168
2003	4.605
2004	3.195
2005	2.267
2006	2.786
2007	5.679
2008	2.074
2009	1.77
2010	1.857
2011	2.002
2012	2.676
2013	0.674
2014	0.14
2015	-0.449
2016	0.511
2017	1.745
2018	1.421
2019	1.34
2020	1.94
2021	2
2022	2
2023	2
2024	2