Year	Percent change (Units)
2001	-18.305
2002	-7.422
2003	5.883
2004	15.149
2005	5.554
2006	7.665
2007	12.079
2008	14.217
2009	0.246
2010	8.678
2011	16.379
2012	-0.840
2013	-0.774
2014	0.887
2015	-4.804
2016	9.622
2017	5.671
2018	7.013
2019	4.522
2020	-3.664
2021	28.882
2022	2.244
2023	6.379
2024	4.902
2025	5.334
2026	5.645
2027	5.072
2028	5.127
2029	4.667