Year	annual % change
1996	71.8000030518
1997	-18.5090999603
1998	-12.2530002594
1999	22.2999992371
2000	-3.5347223282
2001	-24.9485912323
2002	2.1900000572
2003	29.4899997711
2004	59.2999992371
2005	20.7877013777
2006	38.1308680473
2007	23.22174577175775
2008	-57.7975257013
2009	41.9001677078
2010	11.259097690916997
2011	-33.354474162219
2012	34.1228498018397
2013	3.03604347039699
2014	-16.3881947572345
2015	-23.411114905057
2016	2.4246117743203
2017	50.2156010560864
2018	-16.85424024559
2019	-5.64887806356514
2020	-5.08768045455929
2021	12.3434654414093
2022	-27.1311233797061