Year	Measure
1971	525.23327
1972	570.95446
1973	630.27142
1974	617.38095
1975	634.88244
1976	675.98759
1977	714.9503
1978	695.66971
1979	796.31809
1980	773.28263
1981	787.73386
1982	836.61066
1983	903.89026
1984	858.36356
1985	892.63345
1986	917.75715
1987	963.1925
1988	870.12764
1989	831.16656
1990	833.26285
1991	877.86013
1992	910.31973
1993	958.6849
1994	1012.22607
1995	1062.87846
1996	1084.6305
1997	1173.46504
1998	1180.84227
1999	1219.37388
2000	1266.52162
2001	1289.1286
2002	1324.11848
2003	1359.53987
2004	1424.0531
2005	1455.05207
2006	1477.93054
2007	1571.88864
2008	1626.7247
2009	1639.38777
2010	1744.88406
2011	1824.00152
2012	1954.18001
2013	2016.95367
2014	2062.76354