Annual Percent
1971-01-01 43.57570000000000
1972-01-01 40.32550000000000
1973-01-01 40.98620000000000
1974-01-01 39.52050000000000
1975-01-01 36.00370000000000
1976-01-01 31.92250000000000
1977-01-01 31.56150000000000
1978-01-01 30.64140000000000
1979-01-01 26.84170000000000
1980-01-01 29.89980000000000
1981-01-01 33.78670000000000
1982-01-01 31.09510000000000
1983-01-01 30.62200000000000
1984-01-01 30.93810000000000
1985-01-01 29.90350000000000
1986-01-01 32.09280000000000
1987-01-01 32.85260000000000
1988-01-01 35.04850000000000
1989-01-01 37.02160000000000
1990-01-01 37.48840000000000
1991-01-01 40.45500000000000
1992-01-01 43.02690000000000
1993-01-01 46.30670000000000
1994-01-01 55.74990000000000
1995-01-01 65.42770000000000
1996-01-01 72.02660000000000
1997-01-01 73.42930000000000
1998-01-01 75.47290000000000
1999-01-01 84.54880000000000
2000-01-01 88.31390000000000
2001-01-01 96.01799999999999
2002-01-01 101.06299999999999
2003-01-01 108.11399999999999
2004-01-01 98.21770000000000
2005-01-01 97.24070000000000
2006-01-01 89.17770000000000
2007-01-01 68.68450000000000
2008-01-01 56.01670000000000
2009-01-01 54.18330000000000
2010-01-01 58.35220000000000
2011-01-01 58.69150000000000
2012-01-01 52.23120000000000
2013-01-01 52.59120000000000
2014-01-01 61.86360000000000
2015-01-01 66.92110000000000
2016-01-01 67.69090000000000