Year	2015 = 100
1980	25.6567306357
1981	17.1838845748
1982	20.1533505696
1983	18.8285467959
1984	20.3257565434
1985	19.100766749
1986	20.9201034393
1987	24.2207703802
1988	20.3348305396
1989	16.3400027198
1990	18.177487406
1991	18.894333286
1992	8.3253935837
1993	9.1046232017
1994	9.3269361615
1995	12.50964112
1996	10.2139195127
1997	24.0891973999
1998	36.2959938082
1999	37.9111655634
2000	36.0317136197
2001	31.0784447111
2002	31.7589945957
2003	39.3074270748
2004	44.3820606929
2005	53.3267546655
2006	57.700421922
2007	59.1794836988
2008	54.4133660077
2009	65.3645478917
2010	65.6798693086
2011	86.9844834502
2012	92.4617757557
2013	100.4344176524
2014	107.8025043967
2015	100
2016	111.7950637138
2017	111.1122453374
2018	122.3265732036
2019	136.1349303548
2020	81.7782768231
2021	108.8766389654
