Year	Measure
1971	131.18529
1972	153.6242
1973	173.72301
1974	189.04318
1975	214.25961
1976	255.18037
1977	222.8722
1978	256.86993
1979	326.13588
1980	366.40496
1981	421.34038
1982	497.71108
1983	623.81208
1984	705.2871
1985	745.86022
1986	778.06927
1987	854.56232
1988	854.68194
1989	863.02803
1990	935.24036
1991	902.37391
1992	1000.20211
1993	1024.2441
1994	1055.51629
1995	1112.6409
1996	1158.09331
1997	1163.84297
1998	1226.88879
1999	1254.46195
2000	1294.49965
2001	1330.1288
2002	1409.55403
2003	1452.16383
2004	1564.42081
2005	1592.54869
2006	1695.08034
2007	1802.62485
2008	1866.61514
2009	1831.37188
2010	1865.67424
2011	1868.13287
2012	1941.17714
2013	1877.58574
2014	1888.11695