Year	Percent change (Units)
1993	10896.200
1994	1884.547
1995	31.935
1996	5.809
1997	21.813
1998	-1.191
1999	2.075
2000	0.418
2001	2.828
2002	1.980
2003	8.546
2004	1.877
2005	-0.211
2006	5.242
2007	6.611
2008	5.346
2009	6.647
2010	9.330
2011	4.642
2012	3.107
2013	5.596
2014	4.569
2015	-0.184
2016	-1.172
2017	5.595
2018	1.346
2019	0.720
2020	3.746
2021	7.702
2022	8.294
2023	-0.455
2024	3.901
2025	4.000
2026	4.000
2027	4.000
2028	4.000
2029	4.000