Year	2015 = 100
1980	49.9683842933
1981	55.3018478049
1982	36.5102682191
1983	22.5602259643
1984	18.4693679545
1985	13.5161633767
1986	9.9285458352
1987	11.4117032295
1988	11.9911922561
1989	13.955453443
1990	21.8493926518
1991	23.4634024056
1992	24.7374911799
1993	20.8552098673
1994	20.962941698
1995	24.5836222615
1996	29.8349080029
1997	29.8363818387
1998	19.0724497119
1999	24.937834728
2000	38.1149313761
2001	33.4384425607
2002	35.5948153282
2003	45.8094970731
2004	61.8997333057
2005	88.7795955767
2006	103.8097982047
2007	114.6297362096
2008	153.997430103
2009	94.479910729
2010	123.3813878168
2011	179.1691138279
2012	190.8134186822
2013	184.6581788025
2014	168.2300569431
2015	100
2016	90.1888142082
2017	108.9829377751
2018	144.6195420168
2019	128.5202702586
2020	85.4108270725
2021	135.6811576616
