Year	Measure
1990	4856.58585
1991	4852.50299
1992	4209.62162
1993	3728.58301
1994	3192.73706
1995	3177.8134
1996	2937.27091
1997	2836.2076
1998	2706.13513
1999	2718.99127
2000	2720.72429
2001	2754.42367
2002	2813.15969
2003	3025.13547
2004	3031.49955
2005	3033.18368
2006	2935.29231
2007	2996.21074
2008	2910.6609
2009	2487.03628
2010	2886.99457
2011	2768.92413
2012	2687.05852
2013	2553.11651
2014	2334.4072