Year	2015 = 100
1980	28.9158602051
1981	28.9158602051
1982	40.5927448389
1983	4.4280813425
1984	38.6513647287
1985	23.4534218701
1986	53.883447831
1987	58.039329959
1988	43.796391098
1989	41.1039257243
1990	28.4316224262
1991	35.0493849102
1992	52.8630237488
1993	61.5581736866
1994	32.4814852685
1995	14.2674538521
1996	18.622238277
1997	12.8941640963
1998	18.3880209776
1999	10.4678124117
2000	14.0704845163
2001	7.7043099343
2002	15.1652432355
2003	4.0911700168
2004	15.7741209824
2005	6.5101070021
2006	9.999377806
2007	11.634101177
2008	11.9245829726
2009	57.5023105283
2010	59.5714481194
2011	82.7942899526
2012	103.6732141227
2013	92.643629114
2014	109.2776919166
2015	100
2016	91.9977573618
2017	107.8324249194
2018	121.9709502184
2019	116.2529076867
2020	53.2235922121
2021	27.6175784139