Year	Measure
1971	144.50694
1972	149.48564
1973	163.34146
1974	174.45779
1975	196.35369
1976	223.55632
1977	252.22959
1978	291.99841
1979	327.55869
1980	360.18552
1981	385.05747
1982	404.50664
1983	409.47162
1984	412.6363
1985	398.40906
1986	418.85467
1987	452.75059
1988	452.60503
1989	446.51014
1990	481.30321
1991	509.51201
1992	522.99404
1993	517.8427
1994	550.4409
1995	552.85644
1996	613.17352
1997	656.18487
1998	688.51358
1999	637.00273
2000	637.52138
2001	649.97738
2002	692.23978
2003	720.11191
2004	829.11123
2005	799.76801
2006	868.15947
2007	958.92753
2008	1083.98912
2009	1111.20376
2010	1143.78002
2011	1217.33991
2012	1281.54527
2013	1333.26548
2014	1380.61029