Year	Percent change
1993	1086.19
1994	180.683
1995	42.174
1996	31.947
1997	23.435
1998	10.457
1999	35.901
2000	19.688
2001	6.92
2002	2.134
2003	2.975
2004	4.111
2005	4.339
2006	5.552
2007	10.23
2008	24.52
2009	6.837
2010	7.968
2011	16.636
2012	2.768
2013	6.614
2014	7.534
2015	6.503
2016	0.389
2017	3.175
2018	1.543
2019	2.208
2020	4.875
2021	4.969
2022	4.952
2023	4.952
2024	4.952