Year	Percent change (Units)
2001	-21.171
2002	-4.379
2003	-13.437
2004	10.554
2005	-22.301
2006	-7.192
2007	-14.749
2008	-10.475
2009	2.830
2010	-5.348
2011	1.067
2012	10.851
2013	6.606
2014	26.444
2015	15.534
2016	6.590
2017	-7.566
2018	-13.530
2019	8.622
2020	18.248
2021	-45.062
2022	-8.197
2023	1.222
2024	15.504
2025	10.207
2026	4.699
2027	1.880
2028	1.383
2029	1.184