Annual Percent
1960-01-01 75.67570000000000
1961-01-01 70.01080000000000
1962-01-01 67.47960000000000
1963-01-01 70.36280000000000
1964-01-01 72.98550000000000
1965-01-01 77.33940000000000
1966-01-01 84.25510000000000
1967-01-01 92.26299999999999
1968-01-01 96.22100000000000
1969-01-01 92.07620000000000
1970-01-01 89.38150000000000
1971-01-01 91.22840000000000
1972-01-01 94.98840000000000
1973-01-01 98.38470000000000
1974-01-01 99.59490000000000
1975-01-01 99.71050000000000
1976-01-01 94.64130000000000
1977-01-01 94.51799999999999
1978-01-01 99.95480000000000
1979-01-01 99.96790000000000
1980-01-01 99.92910000000000
1981-01-01 99.88570000000000
1982-01-01 99.88040000000000
1983-01-01 99.79130000000000
1984-01-01 99.72740000000000
1985-01-01 99.82640000000000
1986-01-01 99.90899999999999
1987-01-01 99.37810000000000
1988-01-01 99.29880000000000
1989-01-01 99.53390000000000
1990-01-01 98.01960000000000
1991-01-01 94.70490000000000
1992-01-01 93.06150000000000
1993-01-01 95.82740000000000
1994-01-01 97.41060000000000
1995-01-01 95.69500000000000
1996-01-01 95.01000000000000
1997-01-01 95.86520000000000
1998-01-01 97.68370000000000
1999-01-01 99.23710000000000
2000-01-01 99.65390000000000
2001-01-01 99.68799999999999
2002-01-01 99.80220000000000
2003-01-01 99.72760000000000
2004-01-01 99.38710000000000
2005-01-01 99.38600000000001
2006-01-01 99.24420000000000
2007-01-01 98.09430000000000
2008-01-01 97.07310000000000
2009-01-01 97.29170000000000
2010-01-01 97.44320000000000
2011-01-01 96.93480000000000
2012-01-01 96.85900000000000
2013-01-01 96.92060000000000
2014-01-01 96.54400000000000
2015-01-01 94.87270000000000
2016-01-01 91.91600000000000