Year	Measure
1971	98.05646
1972	100.59517
1973	100.92252
1974	104.29285
1975	114.89104
1976	124.4865
1977	126.63012
1978	136.3256
1979	136.15633
1980	142.14888
1981	152.36187
1982	158.61361
1983	166.23757
1984	183.92265
1985	194.2017
1986	208.70355
1987	220.99976
1988	240.88265
1989	257.96402
1990	273.04661
1991	291.95381
1992	305.53593
1993	321.71147
1994	342.46184
1995	360.04705
1996	361.0925
1997	376.80068
1998	387.1969
1999	393.3732
2000	394.96381
2001	395.10476
2002	411.9674
2003	431.84113
2004	453.01021
2005	469.45392
2006	510.75162
2007	543.35865
2008	562.89917
2009	600.2017
2010	642.11162
2011	698.54781
2012	724.79119
2013	765.56385
2014	805.59919