Year	annual % change
1996	42.2999992371
1997	109.8917007446
1998	-53.1221008301
1999	254.5
2000	-51.1952514648
2001	-30.210144043
2002	-33.4700012207
2003	113.1999969482
2004	32.9099998474
2005	49.4656259382
2006	-3.9930102236
2007	74.82164898847256
2008	-62.4008233309
2009	99.6045440147
2010	21.368825618537144
2011	-37.0059103540285
2012	60.6894778845162
2013	-26.2603404537075
2014	14.4068521345257
2015	-32.0650914605886
2016	-9.24035719390604
2017	33.7866100513108
2018	-43.8623653946131
2019	12.0354710952644
2020	-0.592664910687746
2021	-29.9061540401614
2022	105.779812814698