Year	annual % change
1997	-70.50530242919922
1998	-30.079700469970703
1999	-23.700000762939453
2000	-29.9595146179
2001	-7.5144510269
2002	62.5
2003	189.2299957275
2004	82.6999969482
2005	16.4483260553
2006	31.4375
2007	39.03946742748453
2008	-70.2120383037
2009	17.2226949347
2010	-15.163847726601531
2011	-22.1000412701959
2012	-8.07436493850022
2013	43.1252771041637
2014	-21.6286274331472
2015	-20.1957451080887
2016	15.5458813705494
2017	36.1176644104624
2018	-14.841758228668
2019	-7.11591019674329
2020	-0.441173851107501
2021	24.3275536345869
2022	-4.95182339209481