Year Growth Rate Previous Period 1960-01-01 3.75042618479375 1961-01-01 6.74772702377039 1962-01-01 7.77834787070292 1963-01-01 8.42854422545939 1964-01-01 7.82604877834612 1965-01-01 8.09479213323017 1966-01-01 6.53746186009719 1967-01-01 6.84522231061612 1968-01-01 8.27142313483461 1969-01-01 6.12965340179715 1970-01-01 3.92817544314371 1971-01-01 12.12746795981990 1972-01-01 12.41968169236850 1973-01-01 9.70773475197573 1974-01-01 5.86708879782790 1975-01-01 9.41921318860193 1976-01-01 12.76941705587270 1977-01-01 12.39339182721810 1978-01-01 8.27402195942486 1979-01-01 7.82262333929968 1980-01-01 8.03249941547814 1981-01-01 9.03193342783868 1982-01-01 9.02960077413592 1983-01-01 12.20967543727900 1984-01-01 8.00610050418396 1985-01-01 8.90245047413386 1986-01-01 8.12228429546865 1987-01-01 6.48671750661017 1988-01-01 5.35027001446667 1989-01-01 4.19322556249893 1990-01-01 5.50775888649676 1991-01-01 3.71998717245805 1992-01-01 1.86908430826922 1993-01-01 1.03366067145110 1994-01-01 1.26728864188618 1995-01-01 2.07367428863977 1996-01-01 4.84449340239530 1997-01-01 5.04269683015156 1998-01-01 7.17027950746759 1999-01-01 7.40918721740460 2000-01-01 6.04415209381348 2001-01-01 8.61599453273734 2002-01-01 7.42259039480464 2003-01-01 6.99233931156903 2004-01-01 4.78369070661873 2005-01-01 4.29208116090373 2006-01-01 5.24168195921872 2007-01-01 6.12555902434995 2008-01-01 6.78139863772471 2009-01-01 8.05703098965229 2010-01-01 2.49762256318924 2011-01-01 7.31386400883878 2012-01-01 8.59979589334525 2013-01-01 6.73982973813210 2014-01-01 6.17893551427745 2015-01-01 5.77497357632614 2016-01-01 6.80758065945754 2017-01-01 5.58764111088921