Year	Measure
1960	389.11394
1961	385.47121
1962	411.11935
1963	421.5635
1964	433.90955
1965	445.90145
1966	478.25402
1967	483.95249
1968	496.91227
1969	511.56245
1970	522.19984
1971	547.12781
1972	603.2862
1973	649.9433
1974	656.84779
1975	681.21733
1976	724.48704
1977	776.76572
1978	756.46337
1979	703.54913
1980	715.14898
1981	704.79188
1982	732.22561
1983	757.9531
1984	771.34194
1985	800.28035
1986	844.93935
1987	919.19702
1988	908.41065
1989	926.59348
1990	977.66424
1991	947.7563
1992	961.93224
1993	1004.13715
1994	976.48895
1995	1052.6997
1996	1126.18203
1997	1166.22882
1998	1169.88196
1999	1131.09235
2000	1201.0873
2001	1094.19771
2002	1139.39245
2003	1178.44386
2004	1204.72194
2005	1240.16642
2006	1354.67707
2007	1436.84474
2008	1401.34914
2009	1370.78849
2010	1474.66969
2011	1546.20332
2012	1585.40024
2013	1542.96824
2014	1577.82798
2015	1656.80338