Year	Percent change (Units)
1993	54.225
1994	14.734
1995	13.838
1996	4.530
1997	31.542
1998	4.834
1999	-18.792
2000	57.443
2001	14.645
2002	19.672
2003	12.825
2004	5.458
2005	8.329
2006	9.727
2007	7.483
2008	2.836
2009	-22.139
2010	-2.577
2011	3.788
2012	-2.742
2013	5.049
2014	4.956
2015	8.723
2016	6.169
2017	7.454
2018	6.636
2019	6.407
2020	-8.771
2021	16.737
2022	27.301
2023	-7.343
2024	1.500
2025	2.500
2026	2.500
2027	2.700
2028	2.800
2029	2.900