Year	2000 = 100
1980	36.5847505
1981	32.59006159
1982	39.87377116
1983	25.70532676
1984	47.51218297
1985	43.68474125
1986	31.20580283
1987	39.08703041
1988	37.65934282
1989	50.08496945
1990	39.41256584
1991	41.36987622
1992	47.35509997
1993	42.93588523
1994	38.52454472
1995	47.11128967
1996	54.04258738
1997	67.02450783
1998	54.9513861
1999	62.67657694
2000	100
2001	82.56327843
2002	91.60305344
2003	107.5532342
2004	137.9268783
2005	190.6388108
2006	244.1771394
2007	226.396143
2008	334.4558457
2009	245.0783447
2010	377.6617115
2011	476.13636
2012	412.8191643
2013	362.7246284
2014	356.1680313
2015	187.9604983
2016	175.000316
2017	244.1895775
2018	403.1271106