Year	Measure
1990	4492.85307
1991	4555.89751
1992	4796.14425
1993	4018.4694
1994	3612.13807
1995	3303.26767
1996	2911.34437
1997	2575.6706
1998	2610.07863
1999	2406.24892
2000	2397.20233
2001	2324.54767
2002	2674.25567
2003	2891.09303
2004	3383.07445
2005	3358.97112
2006	4012.78507
2007	4267.99306
2008	4457.16811
2009	3944.28827
2010	4234.85106
2011	4670.82123
2012	4398.94441
2013	4786.59304
2014	4434.63912