Year	Measure
1971	155.23835
1972	175.1286
1973	191.66179
1974	205.54523
1975	214.95005
1976	239.37199
1977	273.3725
1978	302.72947
1979	354.70182
1980	403.09873
1981	423.0695
1982	410.15979
1983	448.89268
1984	461.56387
1985	506.83732
1986	529.57779
1987	553.41386
1988	585.152
1989	604.27786
1990	632.34888
1991	644.00137
1992	678.35027
1993	699.95201
1994	752.18308
1995	761.57769
1996	771.8206
1997	811.26137
1998	853.00169
1999	932.86554
2000	977.4005
2001	1036.20579
2002	1066.87472
2003	994.09659
2004	1035.07816
2005	1083.99104
2006	1108.1649
2007	1151.76731
2008	1189.7377
2009	1274.58768
2010	1364.38855
2011	1320.63779
2012	1403.73528
2013	1417.9416
2014	1444.1074