Year	Percent change (Units)
1999	11.256
2000	-7.601
2001	10.277
2002	4.459
2003	8.987
2004	2.282
2005	0.937
2006	2.126
2007	0.906
2008	10.467
2009	-16.439
2010	3.402
2011	4.066
2012	0.401
2013	0.183
2014	7.906
2015	-0.020
2016	7.181
2017	8.353
2018	3.502
2019	0.739
2020	-12.018
2021	19.889
2022	6.134
2023	4.860
2024	6.116
2025	6.733
2026	5.824
2027	4.839
2028	4.752
2029	4.167