Year	Measure
1960	1814.67602
1961	1882.22371
1962	2006.7704
1963	2124.35918
1964	2232.8965
1965	2305.35771
1966	2375.01274
1967	2448.69254
1968	2608.62424
1969	2814.65464
1970	3019.11616
1971	3213.12684
1972	3404.46921
1973	3620.56204
1974	3769.02971
1975	3734.44547
1976	4068.19091
1977	4137.71416
1978	4335.05393
1979	4541.53793
1980	4684.45776
1981	4697.36587
1982	4730.57007
1983	4827.48406
1984	5070.99579
1985	5280.77716
1986	5321.41297
1987	5536.14415
1988	5716.83425
1989	5896.13557
1990	6111.47652
1991	6347.2201
1992	6227.49805
1993	6137.26946
1994	6205.8049
1995	6344.39309
1996	6607.22298
1997	6620.44786
1998	6706.70868
1999	6972.18982
2000	7076.26948
2001	7333.23195
2002	7427.65645
2003	7695.08004
2004	7808.15779
2005	7977.6816
2006	8244.40195
2007	8207.47474
2008	8233.01483
2009	7944.7961
2010	8382.71115
2011	8425.16775
2012	8548.8822
2013	8509.61158
2014	8355.84195