Year	Percent change (Units)
1994	13.464
1995	9.901
1996	5.782
1997	6.033
1998	6.691
1999	10.461
2000	12.161
2001	7.144
2002	3.489
2003	8.417
2004	7.451
2005	2.779
2006	4.266
2007	1.900
2008	3.950
2009	0.937
2010	0.699
2011	4.072
2012	3.731
2013	1.459
2014	-0.093
2015	-0.330
2016	-0.473
2017	1.393
2018	2.531
2019	2.771
2020	2.016
2021	2.828
2022	12.135
2023	10.962
2024	3.644
2025	3.901
2026	2.508
2027	1.956
2028	1.960
2029	1.974