Year	Measure
1990	3396.72816
1991	3285.31745
1992	2638.90897
1993	2048.14906
1994	1973.22852
1995	1997.13809
1996	1992.90093
1997	2056.43502
1998	2129.85873
1999	2072.80373
2000	2082.32139
2001	2213.3606
2002	2307.18652
2003	2493.93017
2004	2607.45996
2005	2777.38198
2006	2966.60997
2007	3169.0773
2008	3213.12144
2009	3026.61149
2010	3229.95106
2011	3264.05332
2012	3587.93287
2013	3472.54138
2014	3507.40452