Year	2000 = 100
1980	49.21426492
1981	39.97862075
1982	36.77755561
1983	38.77503591
1984	42.54498948
1985	43.53163222
1986	49.30779913
1987	55.40613413
1988	66.74047597
1989	67.01535202
1990	54.59916296
1991	63.84711929
1992	86.3855232
1993	118.8614596
1994	126.0020329
1995	128.1937688
1996	121.4600776
1997	103.8460981
1998	85.16056409
1999	92.56868722
2000	100
2001	87.20270159
2002	79.27957524
2003	106.6129118
2004	123.2852954
2005	158.1475344
2006	201.2590041
2007	226.1550131
2008	276.014909
2009	212.2924407
2010	277.3892332
2011	333.7540836
2012	305.6994333
2013	287.503249
2014	424.8648548
2015	408.3764355
2016	395.8681379
2017	480.7850659
2018	460.8940572