Year	Percent change
1993	1190.32
1994	2220.90
1995	709.297
1996	52.688
1997	63.82
1998	73.018
1999	293.733
2000	168.601
2001	61.133
2002	42.568
2003	28.398
2004	18.094
2005	10.336
2006	6.992
2007	8.429
2008	14.828
2009	12.95
2010	7.743
2011	53.228
2012	59.218
2013	18.303
2014	18.107
2015	13.523
2016	11.829
2017	6.032
2018	4.867
2019	4.97
2020	4.991
2021	4.032
2022	3.983
2023	3.985
2024	4.019