Year	Measure
1960	1089.6141
1961	1192.4053
1962	1355.93162
1963	1497.9241
1964	1624.49874
1965	1818.6548
1966	1984.41608
1967	2128.48945
1968	2339.2135
1969	2620.47565
1970	2893.2244
1971	3059.36218
1972	3346.82534
1973	3428.21118
1974	3245.99325
1975	3414.52
1976	3793.71825
1977	3999.67062
1978	4314.44554
1979	4541.9003
1980	4599.23401
1981	4589.99698
1982	4678.95447
1983	4739.65435
1984	4979.63561
1985	5351.12505
1986	5618.55463
1987	5794.39456
1988	5858.05756
1989	5853.96001
1990	5944.82837
1991	6217.33551
1992	6236.25848
1993	6306.86956
1994	6539.53571
1995	6424.53729
1996	6646.68595
1997	6607.20141
1998	6504.25633
1999	6508.51338
2000	6482.48863
2001	6490.09299
2002	6533.75201
2003	6602.63638
2004	6615.56996
2005	6659.00043
2006	6824.74594
2007	6668.39027
2008	6534.12385
2009	6219.70109
2010	6327.50646
2011	6165.97362
2012	6038.55231
2013	6039.432
2014	5858.80154