Year Growth Rate Previous Period 1960-01-01 9.52078488607636 1961-01-01 1.55504675619789 1962-01-01 8.99511987846460 1963-01-01 8.42522287643927 1964-01-01 10.59868751395450 1965-01-01 9.57064572721794 1966-01-01 11.36804484688090 1967-01-01 9.40596655702750 1968-01-01 10.25063519475100 1969-01-01 12.42019109301580 1970-01-01 15.78889769493210 1971-01-01 15.08358154372050 1972-01-01 15.88350311278490 1973-01-01 19.40837538164820 1974-01-01 15.67940318255080 1975-01-01 11.73638102406010 1976-01-01 17.32573995019680 1977-01-01 21.03026868716100 1978-01-01 19.44686396448950 1979-01-01 21.50009942290220 1980-01-01 16.34390152376030 1981-01-01 18.37417738813230 1982-01-01 13.96022139362470 1983-01-01 17.13225450992380 1984-01-01 18.08406508267670 1985-01-01 17.28071118589930 1986-01-01 16.96042648207520 1987-01-01 17.88557155622330 1988-01-01 16.80210697939260 1989-01-01 18.72438391408200 1990-01-01 17.74744426000160 1991-01-01 16.05870668105020 1992-01-01 19.01749322425820 1993-01-01 15.02073385115820 1994-01-01 19.31658653126280 1995-01-01 17.08566778151730 1996-01-01 15.59345062540240 1997-01-01 16.91466832052750 1998-01-01 19.02358356853090 1999-01-01 18.25683557791930 2000-01-01 15.84254915399530 2001-01-01 16.73337588225670 2002-01-01 15.68282022500430 2003-01-01 13.13557290783900 2004-01-01 14.39601702435770 2005-01-01 14.76932053927690 2006-01-01 18.71108456047780 2007-01-01 21.68112842414050 2008-01-01 21.42034966345530 2009-01-01 20.05156475040500 2010-01-01 16.26757243518110 2011-01-01 16.57298968574470 2012-01-01 13.73629632318280 2013-01-01 13.23232843663340 2014-01-01 12.94811469289430 2015-01-01 11.13748167259680 2016-01-01 10.25284698308600 2017-01-01 6.94259000794684