Year	Percent change (Units)
1993	-8.000
1994	5.900
1995	6.634
1996	5.874
1997	6.645
1998	1.862
1999	-0.936
2000	3.749
2001	3.125
2002	5.819
2003	5.599
2004	4.180
2005	4.308
2006	5.078
2007	5.075
2008	2.011
2009	-7.218
2010	-1.244
2011	-0.082
2012	-2.340
2013	-0.399
2014	-0.423
2015	2.523
2016	3.563
2017	3.398
2018	2.822
2019	3.398
2020	-8.591
2021	13.788
2022	6.343
2023	2.831
2024	3.000
2025	2.737
2026	2.737
2027	2.638
2028	2.600
2029	2.600