Year Measure 1990 2964.64435 1991 2712.41685 1992 2280.53691 1993 2199.35345 1994 2204.08602 1995 2290.42622 1996 2438.8073 1997 2588.8014 1998 2649.63341 1999 2753.62319 2000 2855.85178 2001 2898.64865 2002 3092.34234 2003 3157.65766 2004 3325.52377 2005 3475.91175 2006 3635.81081 2007 3737.60144 2008 3877.99503 2009 3711.6077 2010 3813.67931 2011 3900.60136 2012 3819.28025 2013 3754.2687 2014 3714.38299