Year	Measure
1990	3358.61346
1991	3200.13243
1992	2990.01849
1993	2569.30767
1994	2522.2577
1995	2405.15051
1996	2327.87535
1997	2047.76248
1998	2088.11777
1999	2189.41122
2000	2161.60825
2001	2140.30859
2002	2133.63302
2003	2127.14941
2004	2143.95068
2005	2129.21291
2006	2113.97465
2007	2047.14931
2008	1920.4545
2009	1883.4927
2010	1864.91625
2011	1783.78851
2012	1734.57066
2013	1668.29526
2014	1479.77727