Year	Percent change (Units)
1994	37.324
1995	19.382
1996	2.457
1997	11.986
1998	11.339
1999	-9.317
2000	-5.352
2001	12.365
2002	13.285
2003	14.002
2004	16.136
2005	16.700
2006	20.703
2007	12.982
2008	-6.159
2009	-30.604
2010	21.255
2011	27.189
2012	9.688
2013	2.446
2014	3.047
2015	-1.887
2016	6.497
2017	3.991
2018	5.928
2019	3.735
2020	1.301
2021	23.235
2022	3.200
2023	-5.238
2024	-4.096
2025	2.653
2026	3.638
2027	4.271
2028	3.709
2029	3.103