Year	Measure
1960	241.72665
1961	272.56327
1962	305.3893
1963	342.11419
1964	407.97003
1965	475.42008
1966	625.28654
1967	742.27714
1968	802.79014
1969	917.61274
1970	1023.7915
1971	1198.27391
1972	1360.95244
1973	1547.97479
1974	1562.25905
1975	1655.77097
1976	1802.86565
1977	1895.04644
1978	2100.96354
1979	2180.60719
1980	2247.44504
1981	2263.76891
1982	2270.49088
1983	2424.58661
1984	2561.69258
1985	2666.31771
1986	2724.23194
1987	2859.12988
1988	3097.54435
1989	3205.11486
1990	3221.40532
1991	3253.22069
1992	3398.38376
1993	3459.42298
1994	3598.5238
1995	3708.99759
1996	3832.66722
1997	3989.11611
1998	4175.73457
1999	4316.32629
2000	4586.32987
2001	4719.14722
2002	4909.6397
2003	5091.29242
2004	5200.02435
2005	5297.20003
2006	5434.57647
2007	5701.33085
2008	5805.19255
2009	5627.88371
2010	5333.43956
2011	5389.33312
2012	5534.89716
2013	5028.99579
2014	5062.60642