Year	Percent change (Units)
1993	1350.000
1994	1792.140
1995	84.595
1996	6.677
1997	0.389
1998	-7.593
1999	-0.467
2000	2.202
2001	1.780
2002	3.155
2003	3.529
2004	10.455
2005	5.360
2006	11.440
2007	19.560
2008	15.355
2009	0.699
2010	7.918
2011	5.624
2012	-0.260
2013	3.524
2014	-0.145
2015	7.580
2016	15.669
2017	7.938
2018	1.519
2019	2.362
2020	2.615
2021	11.994
2022	14.357
2023	2.092
2024	5.000
2025	5.000
2026	4.000
2027	4.000
2028	4.000
2029	4.000