Year	Measure
1971	120.32159
1972	140.23862
1973	161.45912
1974	165.75562
1975	183.81973
1976	206.72166
1977	233.56443
1978	261.67109
1979	278.63299
1980	290.5119
1981	299.00179
1982	320.43397
1983	348.96048
1984	380.68343
1985	405.77256
1986	434.87805
1987	483.37417
1988	538.31258
1989	614.69549
1990	709.24354
1991	791.72661
1992	892.96153
1993	1008.05465
1994	1105.84308
1995	1247.1973
1996	1379.56724
1997	1409.72819
1998	1358.80993
1999	1358.16961
2000	1447.94894
2001	1504.65851
2002	1617.46344
2003	1713.4859
2004	1827.04498
2005	1914.52962
2006	2004.90203
2007	2079.82054
2008	2104.97258
2009	2100.67401
2010	2307.3315
2011	2283.35115
2012	2443.32662
2013	2514.81204
2014	2539.61119