Year	Measure
1971	776.69094
1972	802.21249
1973	770.5797
1974	813.18345
1975	742.17572
1976	779.95924
1977	805.37456
1978	846.1425
1979	888.89946
1980	915.03579
1981	930.57662
1982	897.13732
1983	914.93697
1984	974.33115
1985	994.33315
1986	1033.25972
1987	1058.50774
1988	1124.90998
1989	1211.82604
1990	1240.66125
1991	1317.65464
1992	1462.28891
1993	1521.5375
1994	1597.1456
1995	1755.66059
1996	1938.42856
1997	2082.22821
1998	2190.12187
1999	2406.58722
2000	2512.3251
2001	2640.7952
2002	2738.47923
2003	2906.983
2004	3072.34769
2005	3102.48352
2006	3229.2691
2007	3347.26217
2008	3347.56897
2009	3307.65571
2010	3320.41573
2011	3600.34482
2012	3827.43918
2013	3903.97241
2014	3911.64926