Year Growth Rate Previous Period 1960-01-01 3.413654618473880 1961-01-01 2.446601941747620 1962-01-01 3.335860500379030 1963-01-01 3.008070432868690 1964-01-01 2.849002849002830 1965-01-01 3.531855955678680 1966-01-01 4.247491638795970 1967-01-01 4.202759063201830 1968-01-01 6.650246305418700 1969-01-01 6.351039260969970 1970-01-01 5.401737242128150 1971-01-01 6.644347154262180 1972-01-01 7.244626901714550 1973-01-01 7.250619229903180 1974-01-01 8.545034642032300 1975-01-01 9.148936170212780 1976-01-01 8.346624136097790 1977-01-01 8.946679751390290 1978-01-01 8.917579942951490 1979-01-01 8.697450034458980 1980-01-01 8.775044382449940 1981-01-01 10.048962462112400 1982-01-01 6.292372881355960 1983-01-01 3.956547737691820 1984-01-01 4.112740868564870 1985-01-01 3.876611418047860 1986-01-01 2.065419732293240 1987-01-01 1.823866597186020 1988-01-01 2.882975093824660 1989-01-01 2.967998673520140 1990-01-01 4.106280193236710 1991-01-01 3.294663573085850 1992-01-01 2.425876010781670 1993-01-01 2.573099415204670 1994-01-01 2.907639680729780 1995-01-01 2.569252077562320 1996-01-01 3.267841469178310 1997-01-01 3.040209218698940 1998-01-01 2.398477157360380 1999-01-01 2.980542818193110 2000-01-01 3.393705999157580 2001-01-01 3.090263632660180 2002-01-01 3.590380490007900 2003-01-01 2.937329700272480 2004-01-01 2.546455609084670 2005-01-01 2.555498193082070 2006-01-01 1.540397684369510 2007-01-01 2.687025928312920 2008-01-01 2.838796890841510 2009-01-01 2.751044551898980 2010-01-01 2.014894686343460 2011-01-01 1.724292368326770 2012-01-01 0.796900453484783 2013-01-01 1.131300777496320 2014-01-01 1.386429404396810 2015-01-01 1.755133339013370 2016-01-01 2.662647575985980 2017-01-01 2.218416116140590