Year	Measure
1960	1825.62565
1961	1947.15253
1962	2012.66058
1963	2211.6895
1964	2417.21143
1965	2625.21953
1966	2765.08454
1967	2969.48894
1968	3102.00683
1969	3329.60939
1970	3609.97841
1971	3751.64258
1972	3880.92889
1973	4230.3438
1974	4578.88217
1975	4781.61664
1976	4901.58911
1977	5251.19786
1978	5416.2836
1979	5665.97768
1980	5915.26001
1981	6153.34629
1982	6391.29003
1983	6366.12662
1984	6699.56253
1985	7007.61518
1986	7309.09454
1987	7525.68572
1988	7800.53471
1989	8129.10363
1990	8527.22809
1991	8522.15922
1992	8550.32867
1993	8701.76034
1994	8812.4895
1995	8994.35591
1996	9108.29556
1997	9291.08387
1998	9783.44289
1999	10036.45778
2000	10193.91218
2001	10636.37769
2002	10813.12273
2003	10434.87439
2004	10554.81582
2005	10458.45019
2006	10490.48454
2007	10972.89174
2008	10749.11055
2009	10791.5931
2010	10726.92818
2011	10627.29387
2012	10403.61702
2013	10213.03945
2014	10059.20745