Year	Percent change (Units)
1995	5.900
1996	11.810
1997	42.795
1998	28.251
1999	-2.383
2000	-18.031
2001	-3.375
2002	13.356
2003	21.639
2004	14.719
2005	15.509
2006	11.675
2007	16.894
2008	8.218
2009	-19.233
2010	-4.057
2011	17.447
2012	10.881
2013	1.952
2014	14.310
2015	7.624
2016	1.682
2017	7.190
2018	8.421
2019	4.309
2020	-11.053
2021	10.715
2022	13.400
2023	12.617
2024	-10.000
2025	3.464
2026	5.000
2027	2.000
2028	4.350
2029	3.175