Year	annual % change
1997	109.29019927978516
1998	17.505599975585938
1999	-3.299999952316284
2000	8.5283966064
2001	1.6184849739
2002	33.2200012207
2003	46.7099990845
2004	36.7999992371
2005	-1.3493523366
2006	-6.4895947426
2007	-2.7581398591647455
2008	-9.9100907696
2009	-10.217931982
2010	0.8394058449450847
2011	26.6571387208703
2012	14.9385510245351
2013	7.57973265748553
2014	1.09730061568611
2015	-3.26232737725941
2016	-10.3072307338827
2017	-3.58766197465414
2018	0.665477705987483
2019	11.1867719355195
2020	-5.83905037666503
2021	20.7294662365136
2022	-6.34029828652426