Year	Percent change (Units)
2001	34.479
2002	31.290
2003	14.340
2004	22.163
2005	-10.882
2006	10.247
2007	26.478
2008	5.850
2009	-18.891
2010	2.482
2011	6.821
2012	0.990
2013	2.671
2014	3.234
2015	7.877
2016	10.532
2017	10.587
2018	10.175
2019	11.372
2020	-3.311
2021	14.142
2022	10.592
2023	1.272
2024	8.405
2025	7.325
2026	6.050
2027	5.350
2028	5.250
2029	5.550