Year	2015 = 100
1980	37.783985927
1981	37.2336753212
1982	33.1314609317
1983	31.1270587449
1984	27.5925320013
1985	30.7128846003
1986	41.7902259228
1987	48.5451829764
1988	61.0612670726
1989	66.2078033506
1990	64.3874451652
1991	68.27868672
1992	67.5205184738
1993	70.4752843565
1994	78.4204079375
1995	74.5036389973
1996	78.4059892916
1997	84.9716420534
1998	94.1973860071
1999	91.7425449772
2000	90.3955764028
2001	103.9032690569
2002	98.5685172566
2003	150.6553161775
2004	155.5762079215
2005	135.9276479881
2006	121.1960218284
2007	122.979544178
2008	96.6419216701
2009	85.4400378422
2010	88.1431206278
2011	83.0512907583
2012	89.3803615283
2013	91.225264698
2014	97.3574464992
2015	100
2016	85.2042769224
2017	93.7978662148
2018	94.8837005
2019	110.9515190869
2020	94.515272899
2021	91.6794454298
