Year	Percent change
2001	34.479
2002	31.29
2003	14.34
2004	22.163
2005	-10.882
2006	10.247
2007	26.478
2008	5.85
2009	-18.891
2010	2.482
2011	6.821
2012	0.99
2013	2.671
2014	3.234
2015	7.877
2016	10.532
2017	10.587
2018	10.765
2019	6.789
2020	7.241
2021	6.918
2022	7.109
2023	7.183
2024	7.36