Year	Measure
1960	904.565
1961	987.91884
1962	1062.17728
1963	1092.69992
1964	1167.04052
1965	1251.01169
1966	1361.54162
1967	1484.06446
1968	1592.74035
1969	1701.90148
1970	1806.83498
1971	1955.77043
1972	2111.74187
1973	2264.72845
1974	2413.2024
1975	2593.16431
1976	2741.24396
1977	2871.91491
1978	2988.07971
1979	3009.85465
1980	3076.41925
1981	2884.20823
1982	2900.12711
1983	3044.74966
1984	3159.8086
1985	3260.42619
1986	3384.36024
1987	3519.95969
1988	3568.53485
1989	3537.92388
1990	3272.30231
1991	3088.22894
1992	2961.39574
1993	2977.7121
1994	2993.17753
1995	3060.88887
1996	3159.04182
1997	3206.23778
1998	3206.59177
1999	3171.75738
2000	3256.18046
2001	3260.03326
2002	3208.39216
2003	3324.47139
2004	3416.11863
2005	3437.324
2006	3584.96219
2007	3661.6461
2008	3725.74878
2009	3590.83208
2010	3797.0923
2011	3879.54209
2012	3899.17664
2013	3938.25521
2014	3971.79976