Year	Percent change (Units)
1996	0.000
1997	117.210
1998	-12.348
1999	25.186
2000	28.880
2001	25.949
2002	9.871
2003	1.484
2004	26.485
2005	14.970
2006	15.656
2007	4.013
2008	2.394
2009	0.763
2010	28.783
2011	22.597
2012	11.253
2013	28.166
2014	17.488
2015	18.426
2016	15.666
2017	8.507
2018	13.869
2019	15.013
2020	26.904
2021	-1.189
2022	8.394
2023	4.615
2024	4.785
2025	6.166
2026	6.455
2027	6.691
2028	6.731
2029	6.814