Year	Measure
1971	1033.94217
1972	1092.42393
1973	1144.97393
1974	1201.0905
1975	1214.13186
1976	1276.79006
1977	1384.22245
1978	1525.47881
1979	1815.99745
1980	1998.05578
1981	2230.26572
1982	2054.56677
1983	2206.97096
1984	2330.54878
1985	2311.62118
1986	2309.98024
1987	2422.74103
1988	2584.10749
1989	2468.28739
1990	2449.05386
1991	2519.95873
1992	2658.09898
1993	2666.40732
1994	2634.86479
1995	2620.79736
1996	2641.75411
1997	2668.43466
1998	2638.3301
1999	2570.9684
2000	2635.37667
2001	2699.3232
2002	2725.09023
2003	2632.07915
2004	2761.58995
2005	2848.58652
2006	2956.47797
2007	2970.71732
2008	3069.07532
2009	3030.81894
2010	3130.93898
2011	3193.02416
2012	3245.5672
2013	3240.5994
2014	2657.62234