Year	Percent change
1992	3.3
1993	4.2
1994	2.5
1995	1.5
1996	1.457
1997	1.445
1998	0.13
1999	1.423
2000	2.041
2001	1.375
2002	0.986
2003	1.099
2004	2.174
2005	2.128
2006	1.389
2007	3.082
2008	0.997
2009	0.877
2010	1.848
2011	2.348
2012	2.086
2013	1.328
2014	0.202
2015	0.201
2016	1.707
2017	1.481
2018	1.751
2019	1.636
2020	1.805
2021	2.071
2022	2.215
2023	2.226
2024	2.227