Year	2010 = 100
1968	14.8080430973729
1969	15.2574079900045
1970	15.7991656642986
1971	16.2275321974614
1972	16.7986875750118
1973	18.7641340212042
1974	23.8793343877953
1975	26.4201358834738
1976	27.3062666530977
1977	29.3767048967599
1978	30.5148159799249
1979	33.2068056637785
1980	38.6873774850841
1981	42.9809532573774
1982	45.1955344451918
1983	46.7321826163283
1984	49.1727414763686
1985	50.7357537092649
1986	48.4496129252456
1987	48.3554555618181
1988	50.0310800013736
1989	51.5229092675186
1990	53.33110727478
1991	55.7607438806628
1992	57.4227233364619
1993	58.8491816394339
1994	60.804451587433
1995	63.0085740742682
1996	64.3550440611857
1997	66.1503373770757
1998	66.4969534133119
1999	67.296836573857
2000	72.1316858998181
2001	73.2781850965994
2002	74.9527377742922
2003	76.8253558224647
2004	81.8190039509249
2005	85.2761449629358
2006	87.8509947791731
2007	91.1034288133202
2008	98.2079864540708
2009	99.3368138845774
2010	100
2011	102.913785804995
2012	105.002116551432