Year	2000 = 100
1980	44.58632408
1981	40.3883551
1982	38.62199151
1983	22.87731256
1984	18.90629694
1985	15.03139717
1986	13.66715046
1987	15.22762951
1988	16.45157168
1989	17.27314602
1990	20.6043956
1991	25.0030868
1992	27.27629513
1993	27.68224142
1994	32.42894324
1995	32.45105247
1996	52.3582996
1997	52.13534329
1998	56.32334184
1999	63.90523194
2000	100
2001	202.5916806
2002	246.1668597
2003	293.2419731
2004	360.1351939
2005	376.6124337
2006	412.7011689
2007	399.8327533
2008	385.2545761
2009	399.6072679
2010	459.1408875
2011	483.7823326
2012	560.8822332
2013	619.10677
2014	689.9804179
2015	630.7175958
2016	642.6228325
2017	742.9295321
2018	746.9161314