Year	Measure
1990	3165.4949
1991	3087.87471
1992	2464.5974
1993	2175.28446
1994	1947.69198
1995	1809.15433
1996	1513.67319
1997	1444.31946
1998	1485.15342
1999	1369.1119
2000	1403.43327
2001	1410.96546
2002	1414.52811
2003	1476.59088
2004	1539.23012
2005	1599.96068
2006	1559.56875
2007	1411.55734
2008	1520.31392
2009	1334.16618
2010	1279.55259
2011	1369.351
2012	1472.89739
2013	1474.00343
2014	1502.07817