Year	2015 = 100
1980	70.4615935903
1981	66.1651549567
1982	62.7280040499
1983	60.1501408697
1984	61.8687163232
1985	73.8987444971
1986	62.7280040499
1987	65.30586723
1988	69.6023058636
1989	69.6023058636
1990	69.6023058636
1991	73.0394567704
1992	72.1801690437
1993	70.4615935903
1994	68.7430181368
1995	73.0394567704
1996	78.1951831307
1997	82.4916217642
1998	85.0694849443
1999	85.9287726711
2000	85.9287726711
2001	84.772693941
2002	84.1134293638
2003	84.307917781
2004	85.4129665837
2005	81.9
2006	81.9
2007	82.8
2008	86.3
2009	85.2
2010	87
2011	98.7
2012	103.3
2013	101
2014	102.3
2015	100
2016	99.3
2017	98.7
2018	99.1
2019	99.1
2020	103.2
2021	102.7
2022	105.4