Year	Percent change (Units)
1994	1327.949
1995	1261.544
1996	445.756
1997	21.483
1998	19.826
1999	20.138
2000	7.372
2001	11.746
2002	7.805
2003	3.059
2004	9.000
2005	10.354
2006	7.098
2007	8.648
2008	8.936
2009	0.148
2010	4.773
2011	5.568
2012	7.832
2013	4.002
2014	4.418
2015	6.005
2016	6.168
2017	10.419
2018	7.200
2019	6.267
2020	8.900
2021	21.136
2022	3.034
2023	1.465
2024	7.800
2025	8.000
2026	8.000
2027	8.000
2028	8.000
2029	8.000