Year Growth Rate Same Period Previous Year 1961-01-01 1.504809183886940 1962-01-01 3.830949105067900 1963-01-01 2.444190972359080 1964-01-01 2.902815333686510 1965-01-01 3.508771929812360 1966-01-01 3.554095422929050 1967-01-01 2.516403489570740 1968-01-01 3.987902658758390 1969-01-01 6.511207305056370 1970-01-01 9.772689083540720 1971-01-01 11.468812877742800 1972-01-01 8.924400084943760 1973-01-01 15.367743822196200 1974-01-01 18.018141106886400 1975-01-01 24.970654980827900 1976-01-01 19.849718221665600 1977-01-01 18.787878787878800 1978-01-01 7.811400422237850 1979-01-01 12.622389033942600 1980-01-01 13.562269071940900 1981-01-01 8.692185007974500 1982-01-01 7.762289068231850 1983-01-01 3.671023965141580 1984-01-01 5.878953451717980 1985-01-01 4.015048096730980 1986-01-01 3.328356898217300 1987-01-01 3.127655957844610 1988-01-01 3.371363523982220 1989-01-01 5.622970432404730 1990-01-01 8.106796116504870 1991-01-01 5.178865439305450 1992-01-01 2.120392770741460 1993-01-01 1.254180602006700 1994-01-01 1.348747591522150 1995-01-01 3.843020097772940 1996-01-01 3.086177585981430 1997-01-01 -0.126855258150474 1998-01-01 0.990727803886734 1999-01-01 0.264117721041358 2000-01-01 -0.489212242849966 2001-01-01 3.819488213790520 2002-01-01 0.789218067022833 2003-01-01 1.156487170220430 2004-01-01 0.654995831844691 2005-01-01 1.550980330641720 2006-01-01 2.400000000000000 2007-01-01 4.500000000000000 2008-01-01 9.200000000000000 2009-01-01 5.500000000000000 2010-01-01 3.400000000000000 2011-01-01 5.500000000000000 2012-01-01 3.200000000000000 2013-01-01 3.700000000000000 2014-01-01 -0.200000000000000 2015-01-01 -2.600000000000000 2016-01-01 -2.400000000000000 2017-01-01 2.300000000000000