Year	annual % change
1997	99.77420043945312
1998	9.192500114440918
1999	45.599998474121094
2000	-6.913131237
2001	43.9385375977
2002	31.1499996185
2003	25.5699996948
2004	21.1000003815
2005	-3.2418952618
2006	53.0178069353
2007	37.21443008513506
2008	-38.4063146305
2009	24.3338143668
2010	-6.7680385577808755
2011	-7.48314427715363
2012	8.09822546366208
2013	8.17236581107828
2014	-0.754624585409391
2015	-2.74850584499394
2016	-11.3185178008699
2017	-0.753817580011973
2018	-21.9493915420892
2019	-7.28374465214226
2020	-8.18677371096083
2021	-0.85804870131716
2022	1.54286687931888