Year	Percent change
1998	9.412
1999	14.417
2000	27.666
2001	15.165
2002	21.349
2003	31.963
2004	21.512
2005	13.385
2006	17.693
2007	14.798
2008	7.407
2009	2.19
2010	19.925
2011	17.732
2012	6.591
2013	10.647
2014	7.764
2015	-0.478
2016	4.708
2017	7.125
2018	7.931
2019	4.141
2020	4.83
2021	4.562
2022	4.347
2023	4.105
2024	3.452