Year	Percent change (Units)
2002	8.911
2003	11.641
2004	26.629
2005	8.077
2006	13.390
2007	14.477
2008	3.391
2009	1.275
2010	25.123
2011	21.616
2012	9.242
2013	10.753
2014	-2.048
2015	-21.515
2016	-0.679
2017	9.860
2018	6.405
2019	-2.563
2020	-54.336
2021	23.535
2022	-21.402
2023	80.534
2024	13.939
2025	9.642
2026	4.392
2027	3.043
2028	3.025
2029	3.002