Year	Measure
1990	3235.38961
1991	3438.44492
1992	2965.19158
1993	2583.89624
1994	2221.34923
1995	2094.36535
1996	1979.41625
1997	1863.0576
1998	1859.43015
1999	1742.52763
2000	1638.0957
2001	1804.50739
2002	1872.44933
2003	2101.92772
2004	1960.90673
2005	2047.73771
2006	2166.12198
2007	1996.4159
2008	2028.22996
2009	1740.79903
2010	1722.88671
2011	1470.2305
2012	1514.53047
2013	1352.79211
2014	1386.23444