Year	Percent change (Units)
1998	0.664
1999	-1.810
2000	-0.734
2001	-1.544
2002	40.953
2003	3.656
2004	6.101
2005	12.327
2006	9.841
2007	8.468
2008	7.238
2009	7.695
2010	10.923
2011	9.508
2012	10.842
2013	10.946
2014	23.915
2017	24.796
2018	47.646
2019	53.832
2020	36.141
2021	50.942
2022	94.793
2023	211.408
2024	149.426
2025	45.000
2026	25.000
2027	12.000
2028	10.000
2029	8.000