Year	2015 = 100
1980	74.8896647048
1981	74.8896647048
1982	70.4407737322
1983	64.5089191021
1984	63.0259554446
1985	64.5089191021
1986	59.3185463008
1987	63.7674372734
1988	65.2504009309
1989	69.6992919035
1990	71.9237373897
1991	72.6652192185
1992	74.148182876
1993	71.9237373897
1994	74.148182876
1995	77.8555920198
1996	79.3385556773
1997	80.0800375061
1998	77.1141101911
1999	74.8896647048
2000	74.148182876
2001	72.178065657
2002	69.868367556
2003	71.3356032717
2004	77.8271431416
2005	79.9
2006	83.3
2007	87.5
2008	94.5
2009	88.7
2010	90.9
2011	100.5
2012	102.8
2013	102.1
2014	102.4
2015	100
2016	91
2017	91.7
2018	96.7
2019	95.4
2020	96.1
2021	106.2
2022	116