Year	Measure
1971	501.44527
1972	543.40311
1973	572.65475
1974	615.46983
1975	642.26153
1976	679.48648
1977	720.51229
1978	776.08112
1979	820.78357
1980	866.59811
1981	905.98692
1982	960.09047
1983	979.85691
1984	1018.86228
1985	1058.25041
1986	1077.10068
1987	1123.02575
1988	1157.54707
1989	1212.90989
1990	1165.39922
1991	1272.21863
1992	1291.62651
1993	1283.95605
1994	1367.8632
1995	1383.93534
1996	1406.01507
1997	1486.2296
1998	1597.0722
1999	1641.7652
2000	1750.55616
2001	1784.87662
2002	1796.76975
2003	1952.53801
2004	1882.39546
2005	1950.98786
2006	1974.46911
2007	1998.7241
2008	1995.43718
2009	1942.76055
2010	1963.31469
2011	2153.71537
2012	2187.22753
2013	2079.19358
2014	2090.17594