Year Growth Rate Same Period Previous Year 1960-01-01 1.518498067366130 1961-01-01 1.115039434321430 1962-01-01 1.371705217859100 1963-01-01 1.247015123374860 1964-01-01 1.493710691823930 1965-01-01 1.445907565194920 1966-01-01 2.443369814202090 1967-01-01 3.478260869565200 1968-01-01 4.633853541416580 1969-01-01 5.805415328132180 1970-01-01 6.245933636955080 1971-01-01 4.694835680751200 1972-01-01 3.061025541041120 1973-01-01 3.480892924706790 1974-01-01 8.244972577696530 1975-01-01 9.221415301469340 1976-01-01 6.571826194526050 1977-01-01 6.253627394080100 1978-01-01 7.305749009968610 1979-01-01 9.735301603461430 1980-01-01 12.420271367273600 1981-01-01 10.470394058180300 1982-01-01 7.404986459986930 1983-01-01 3.929751347591700 1984-01-01 4.943951815291980 1985-01-01 4.376245516141870 1986-01-01 4.040018329005660 1987-01-01 4.118035674961470 1988-01-01 4.413423575860120 1989-01-01 4.503713706954780 1990-01-01 5.026813982037820 1991-01-01 4.909258689634000 1992-01-01 3.659180202896840 1993-01-01 3.303728008146190 1994-01-01 2.853074858989090 1995-01-01 2.992226599936110 1996-01-01 2.703680727874280 1997-01-01 2.385866008959560 1998-01-01 2.286023302689160 1999-01-01 2.076324137268110 2000-01-01 2.434315848949980 2001-01-01 2.670650425189600 2002-01-01 2.319126074498590 2003-01-01 1.457075347860320 2004-01-01 1.759606676154750 2005-01-01 2.169951260860340 2006-01-01 2.501348156137240 2007-01-01 2.337070012140820 2008-01-01 2.297934670463540 2009-01-01 1.699436149954900 2010-01-01 0.958560448833437 2011-01-01 1.658560607943090 2012-01-01 2.110003740616070 2013-01-01 1.763072429999770 2014-01-01 1.749670577911670 2015-01-01 1.828419261717520 2016-01-01 2.210902255897750 2017-01-01 1.844489887682800