Year	2010 = 100
1972	23.5306989270759
1973	28.7152962572044
1974	31.7076168041172
1975	34.1097089862562
1976	36.7039685429271
1977	39.2648929428043
1978	38.8119269884973
1979	41.3257899905202
1980	45.653477701525
1981	48.7909042251351
1982	49.3085796014915
1983	50.2302352949774
1984	49.9076558022573
1985	49.2701772809296
1986	49.5466739889754
1987	51.1941335410813
1988	53.5366750953578
1989	58.2563202924164
1990	60.46061349267
1991	71.704812953197
1992	72.0158717497485
1993	73.3177104167972
1994	73.5788461966182
1995	74.097277524204
1996	78.0219946856311
1997	77.0043331907405
1998	75.7408968442537
1999	74.8192411507679
2000	75.1533413396565
2001	76.6356709133462
2002	79.1471826780951
2003	80.6871157326276
2004	80.9943342971229
2005	84.6079926619986
2006	86.3937005681273
2007	89.7577438493506
2008	95.5919971995584
2009	95.6817549434077
2010	100
2011	103.849709633699
2012	106.04129454602
2013	109.669003359932
2014	112.331816427462
2015	115.682772197838
2016	117.156295159365
2017	120.791483785264