Year	Measure
1990	2857.56453
1991	2778.95039
1992	2584.33517
1993	2715.38991
1994	2827.91716
1995	3049.38659
1996	3180.20615
1997	3310.40063
1998	3253.80886
1999	3242.48618
2000	3224.3795
2001	3381.11201
2002	3424.45288
2003	3463.52493
2004	3571.19487
2005	3645.83744
2006	3648.98289
2007	3632.56533
2008	3836.62179
2009	3496.22954
2010	3579.07246
2011	3567.98304
2012	3424.04014
2013	3330.99008
2014	3236.23604
2015	3174.87258