Year	Percent change (Units)
2001	60.185
2002	-32.959
2003	-5.026
2004	123.604
2005	8.360
2006	33.041
2007	24.003
2008	0.315
2009	18.420
2010	28.460
2011	27.608
2012	1.914
2013	-1.459
2014	6.321
2015	1.833
2016	10.492
2017	20.012
2018	9.090
2019	7.512
2020	-29.147
2021	76.656
2022	18.842
2023	6.337
2024	5.947
2025	5.147
2026	5.380
2027	4.112
2028	4.193
2029	3.988