Year	Measure
1990	5928.66099
1991	5861.15803
1992	5351.07707
1993	5057.77884
1994	4428.81421
1995	4290.69523
1996	4252.61412
1997	4069.68878
1998	3981.50195
1999	4136.76193
2000	4224.28619
2001	4288.39435
2002	4288.20716
2003	4461.31645
2004	4493.69539
2005	4540.91736
2006	4688.3946
2007	4709.84574
2008	4823.12654
2009	4531.28668
2010	4819.04142
2011	5049.42804
2012	5167.01198
2013	5078.62931
2014	4942.87552