Year	annual % change
1996	16.8999996185
1997	48.8030014038
1998	-38.9000015259
1999	78.5
2000	-21.4825077057
2001	12.8221082687
2002	-16.3799991608
2003	30.3500003815
2004	47.8899993896
2005	43.8584197704
2006	41.0606266567
2007	12.823879446378438
2008	-45.0672446252
2009	55.8148893614
2010	26.59594934812177
2011	-14.8354129288411
2012	26.8739639891169
2013	0.23737426755075
2014	-9.68449594709747
2015	-14.9092940277509
2016	-12.1275214611563
2017	12.859672308501
2018	-16.1376184957655
2019	9.8763834321159
2020	-3.55869726081043
2021	16.6227642991225
2022	-3.48054262879264