Year	2015 = 100
1980	96.7032967
1981	94.50549451
1982	95.40229885
1983	92.04545455
1984	91.86046512
1985	91.76470588
1986	102.2988506
1987	103.125
1988	103.960396
1989	102.9411765
1990	102.7027027
1991	103.6697248
1992	103.6036036
1993	103.8461538
1994	104.6728972
1995	105.1282051
1996	103.4482759
1997	103.7037037
1998	104.8543689
1999	104.950495
2000	100
2001	102.7979275
2002	104.357067
2003	102.8895769
2004	101.2707722
2005	97.18181818
2006	95.92720971
2007	96.5890183
2008	91.79716629
2009	98.98819562
2010	97.08201893
2011	94.59459459
2012	94.68085106
2013	95.34050179
2014	95.86956522
2015	100
2016	100.0834725
2017	99.594485
2018	99.84264359
2019	100.3187251
2020	100
2021	104.6546547