Year	Percent change (Units)
2001	11.662
2002	2.694
2003	1.152
2004	-1.065
2005	-1.385
2006	0.637
2007	4.338
2008	9.343
2009	-2.419
2010	3.501
2011	7.324
2012	2.492
2013	1.762
2014	0.425
2015	-0.528
2016	0.240
2017	1.495
2018	1.098
2019	2.716
2020	0.218
2021	3.306
2022	11.674
2023	5.223
2024	3.491
2025	2.259
2026	1.873
2027	2.000
2028	2.000
2029	2.000