Year	Measure
1990	2598.79304
1991	2201.63341
1992	2020.15373
1993	1714.97811
1994	1565.2821
1995	1808.66575
1996	2175.79459
1997	2299.90426
1998	2302.98378
1999	1686.92925
2000	1826.35765
2001	1994.46347
2002	2119.78208
2003	2223.78312
2004	2424.40444
2005	2159.57383
2006	2300.73335
2007	2248.15504
2008	2289.99546
2009	2070.22928
2010	2141.05521
2011	2237.46122
2012	2020.39511
2013	2080.97254
2014	1859.42889