Year	annual % change
1996	-17.1000003815
1997	3.6168000698
1998	-29.7670001984
1999	35.7999992371
2000	-15.2117872238
2001	-8.3286828995
2002	-14.8400001526
2003	79.4700012207
2004	18.2800006866
2005	14.652299618
2006	28.6281420267
2007	22.630501535312185
2008	-41.242865306
2009	83.9903475206
2010	47.2403307767836
2011	-24.1365742906758
2012	11.4041137615063
2013	-22.0593723612252
2014	-12.8960164797768
2015	-19.1565736233617
2016	16.6554767704287
2017	41.6367778470976
2018	-20.392017310908
2019	-18.4611383491217
2020	-8.85362014892279
2021	-17.9023069860038
2022	15.4451655530655