Annual Percent
1960-01-01 11.5451000000000000
1961-01-01 11.1117000000000000
1962-01-01 10.6222000000000000
1963-01-01 8.3336600000000000
1964-01-01 6.2669900000000000
1965-01-01 6.3537700000000000
1966-01-01 5.7391100000000000
1967-01-01 4.9747600000000000
1968-01-01 4.0587400000000000
1969-01-01 3.2794600000000000
1970-01-01 2.8644300000000000
1971-01-01 2.3759300000000000
1972-01-01 3.6095400000000000
1973-01-01 4.2304300000000000
1974-01-01 4.4095200000000000
1975-01-01 5.8611000000000000
1976-01-01 6.0519500000000000
1977-01-01 5.6341000000000000
1978-01-01 5.2134700000000000
1979-01-01 4.5260700000000000
1980-01-01 3.7878500000000000
1981-01-01 3.6316000000000000
1982-01-01 3.9549300000000005
1983-01-01 3.8599699999999997
1984-01-01 3.5808100000000000
1985-01-01 3.1702000000000000
1986-01-01 2.7395800000000000
1987-01-01 2.3582600000000000
1988-01-01 2.1989400000000003
1989-01-01 2.0662400000000000
1990-01-01 1.5818200000000000
1991-01-01 1.2511100000000000
1992-01-01 1.1070700000000000
1993-01-01 0.9969969999999999
1994-01-01 0.8916050000000000
1995-01-01 0.6744140000000001
1996-01-01 0.5375580000000000
1997-01-01 0.9747889999999999
1998-01-01 2.1748800000000000
1999-01-01 2.0272900000000003
2000-01-01 1.2697000000000000
2001-01-01 1.1225399999999999
2002-01-01 1.0171700000000001
2003-01-01 0.9261120000000000
2004-01-01 0.6931520000000000
2005-01-01 0.6423020000000000
2006-01-01 0.9004770000000001
2007-01-01 1.1111900000000000
2008-01-01 1.2334300000000000
2009-01-01 1.2668500000000000
2010-01-01 1.2446700000000002
2011-01-01 1.2289800000000000
2012-01-01 1.3660900000000000
2013-01-01 1.4893600000000000
2014-01-01 1.4806200000000000
2015-01-01 1.3695500000000000
2016-01-01 1.1334200000000000