Year Growth Rate Previous Period 1960-01-01 1.288876435976440 1961-01-01 2.102351313969610 1962-01-01 1.246274722297480 1963-01-01 1.337971635001310 1964-01-01 2.534988117243190 1965-01-01 4.069018799897020 1966-01-01 3.489235337787660 1967-01-01 3.538976566236240 1968-01-01 1.986143187066990 1969-01-01 3.238224637681150 1970-01-01 4.991861096039080 1971-01-01 5.957446808510660 1972-01-01 6.425702811244950 1973-01-01 9.433962264150970 1974-01-01 11.724137931034500 1975-01-01 13.425925925925900 1976-01-01 11.020408163265300 1977-01-01 11.151960784313700 1978-01-01 11.135611907387000 1979-01-01 13.293650793650800 1980-01-01 13.660245183887900 1981-01-01 15.254237288135600 1982-01-01 14.639037433155100 1983-01-01 12.303206997084500 1984-01-01 11.526479750778800 1985-01-01 16.294227188082000 1986-01-01 18.654923939151300 1987-01-01 16.160593792172800 1988-01-01 12.779552715655000 1989-01-01 14.730878186968900 1990-01-01 14.320987654320900 1991-01-01 15.334773218142500 1992-01-01 13.874702076949300 1993-01-01 9.717446554043920 1994-01-01 8.938547486033510 1995-01-01 8.680425265791130 1996-01-01 7.354125906318340 1997-01-01 8.597770154373920 1998-01-01 6.880552813425480 1999-01-01 5.181490717650300 2000-01-01 5.338953284158780 2001-01-01 5.701900633544540 2002-01-01 9.494709845395980 2003-01-01 5.679419240877170 2004-01-01 -0.692030942650073 2005-01-01 2.062850222705690 2006-01-01 3.243906363124470 2007-01-01 6.177805481426650 2008-01-01 10.055285046981400 2009-01-01 7.264562145027100 2010-01-01 4.063538973032860 2011-01-01 5.017157732812680 2012-01-01 5.723943661971830 2013-01-01 5.776404135138000 2014-01-01 6.136020151133510 2015-01-01 4.509208277957080 2016-01-01 6.594604414569920 2017-01-01 5.181082232637380