Year	Percent change (Units)
1995	0.142
1996	19.295
1997	62.644
1998	21.585
1999	-1.012
2000	-8.847
2001	-2.100
2002	6.609
2003	15.130
2004	12.512
2005	14.779
2006	9.670
2007	16.640
2008	8.728
2009	-17.442
2010	-3.097
2011	15.387
2012	10.777
2013	2.775
2014	14.561
2015	7.138
2016	2.378
2017	8.071
2018	10.230
2019	6.747
2020	-17.073
2021	11.000
2022	15.975
2023	14.302
2024	-6.995
2025	3.353
2026	4.803
2027	2.050
2028	4.385
2029	3.218