Year	Percent change (Units)
1994	12.937
1995	10.678
1996	9.619
1997	10.292
1998	10.342
1999	6.791
2000	8.136
2001	6.444
2002	15.363
2003	3.789
2004	7.501
2005	8.836
2006	9.907
2007	11.054
2008	18.070
2009	1.686
2010	0.893
2011	9.355
2012	5.087
2013	0.880
2014	5.780
2015	3.505
2016	-2.191
2017	2.138
2018	3.789
2019	2.690
2020	-2.526
2021	3.455
2022	8.494
2023	3.637
2024	3.378
2025	3.058
2026	3.108
2027	3.046
2028	2.973
2029	3.103