Year	2000 = 100
1980	44.04146117
1981	43.69060508
1982	36.53715065
1983	30.85729179
1984	32.05822206
1985	29.60022455
1986	20.30755042
1987	25.59244557
1988	24.55992622
1989	35.27807851
1990	47.20317575
1991	48.99153936
1992	49.63310478
1993	47.39564537
1994	54.91399014
1995	56.91539055
1996	74.91421837
1997	81.11265473
1998	67.89804376
1999	73.18872328
2000	100
2001	97.14785286
2002	104.6708654
2003	134.7138498
2004	182.5956087
2005	235.3494199
2006	292.1365197
2007	358.440977
2008	480.0075095
2009	385.2693701
2010	429.4148188
2011	606.070858
2012	721.8342707
2013	750.902042
2014	688.3399148
2015	602.9866964
2016	591.9503343
2017	630.075949
2018	693.2842051