Year Growth Rate Same Period Previous Year 1960-01-01 1.00357332927850 1961-01-01 3.44749717726760 1962-01-01 4.19650003638214 1963-01-01 2.01854435053746 1964-01-01 3.28158931874853 1965-01-01 4.77377151312199 1966-01-01 3.90961795748476 1967-01-01 2.48211731044350 1968-01-01 4.69742444335869 1969-01-01 5.44666666666666 1970-01-01 6.36656761712083 1971-01-01 9.44484070375655 1972-01-01 7.07109107695650 1973-01-01 9.19604362160790 1974-01-01 16.04398922333700 1975-01-01 24.20729366602690 1976-01-01 16.55952528124610 1977-01-01 15.84027151720850 1978-01-01 8.26313861930050 1979-01-01 13.42128631231760 1980-01-01 17.96592476605900 1981-01-01 11.87661968270020 1982-01-01 8.59887005649718 1983-01-01 4.60930184163980 1984-01-01 4.96071215436642 1985-01-01 6.07139383722624 1986-01-01 3.42761476782096 1987-01-01 4.14891804395980 1988-01-01 3.91279217157632 1989-01-01 5.17473118279570 1990-01-01 7.02875399361022 1991-01-01 7.50746268656717 1992-01-01 4.27599611273081 1993-01-01 2.51630941286112 1994-01-01 1.94805194805197 1995-01-01 2.67515923566880 1996-01-01 2.45657568238210 1997-01-01 1.81642044078470 1998-01-01 1.55803996194102 1999-01-01 1.34676191591520 2000-01-01 0.79731915877053 2001-01-01 1.23810615613893 2002-01-01 1.23428830257052 2003-01-01 1.37583892617446 2004-01-01 1.34613262716541 2005-01-01 2.01206781838621 2006-01-01 2.50000000000000 2007-01-01 2.40000000000000 2008-01-01 3.50000000000000 2009-01-01 2.00000000000000 2010-01-01 2.50000000000000 2011-01-01 3.80000000000000 2012-01-01 2.60000000000000 2013-01-01 2.30000000000000 2014-01-01 1.50000000000000 2015-01-01 0.40000000000000 2016-01-01 1.00000000000000 2017-01-01 2.60000000000000