Year	Measure
1990	5755.8945
1991	5617.06358
1992	4933.82324
1993	4049.85383
1994	4354.83011
1995	4244.64408
1996	4556.39117
1997	4811.59814
1998	4733.95491
1999	4460.36811
2000	4540.49256
2001	4680.44795
2002	4767.46294
2003	5158.60278
2004	5429.52552
2005	5531.54583
2006	5869.42479
2007	6277.41146
2008	6364.56783
2009	5975.95381
2010	6506.31818
2011	6314.41445
2012	6689.36778
2013	6664.65857
2014	6732.36747