Year	Percent change (Units)
1994	-1.642
1995	2.155
1996	4.943
1997	13.050
1998	4.340
1999	-0.425
2000	10.088
2001	6.004
2002	6.771
2003	7.600
2004	6.804
2005	9.526
2006	9.766
2007	7.579
2008	-5.132
2009	-14.629
2010	2.444
2011	7.263
2012	3.228
2013	1.458
2014	3.011
2015	1.853
2016	3.155
2017	5.792
2018	3.784
2019	4.034
2020	-0.965
2021	7.249
2022	-0.461
2023	-3.006
2024	-0.528
2025	2.179
2026	2.002
2027	1.923
2028	2.017
2029	2.057
