Year	Measure
1985	1468.35314
1986	1556.43677
1987	1559.50078
1988	1598.78337
1989	1604.85155
1990	1489.36998
1991	1340.44631
1992	1223.9793
1993	1099.32838
1994	1077.8357
1995	1090.93014
1996	1085.65822
1997	1057.92922
1998	1068.52211
1999	1042.43734
2000	1053.62562
2001	1071.17353
2002	1096.71603
2003	1139.1957
2004	1195.91546
2005	1251.95631
2006	1299.05567
2007	1333.88896
2008	1425.72802
2009	1380.66004
2010	1492.63635
2011	1500.62502
2012	1594.04398
2013	1902.33407
2014	2017.51362