Year Growth Rate Previous Period 1960-01-01 1.003573329278500 1961-01-01 3.447497177267600 1962-01-01 4.196500036382140 1963-01-01 2.018544350537460 1964-01-01 3.281589318748530 1965-01-01 4.773771513121990 1966-01-01 3.909617957484760 1967-01-01 2.482117310443500 1968-01-01 4.697424443358690 1969-01-01 5.446666666666660 1970-01-01 6.366567617120830 1971-01-01 9.444840703756550 1972-01-01 7.071091076956500 1973-01-01 9.196043621607900 1974-01-01 16.043989223337000 1975-01-01 24.207293666026900 1976-01-01 16.559525281246100 1977-01-01 15.840271517208500 1978-01-01 8.263138619300500 1979-01-01 13.421286312317600 1980-01-01 17.965924766059000 1981-01-01 11.876619682700200 1982-01-01 8.598870056497180 1983-01-01 4.609301841639800 1984-01-01 4.960712154366420 1985-01-01 6.071393837226240 1986-01-01 3.427614767820960 1987-01-01 4.148918043959800 1988-01-01 3.912792171576320 1989-01-01 5.174731182795700 1990-01-01 7.028753993610220 1991-01-01 7.507462686567170 1992-01-01 4.275996112730810 1993-01-01 2.516309412861120 1994-01-01 1.948051948051970 1995-01-01 2.675159235668800 1996-01-01 2.456575682382100 1997-01-01 1.816420440784700 1998-01-01 1.558039961941020 1999-01-01 1.346761915915200 2000-01-01 0.797319158770530 2001-01-01 1.238106156138930 2002-01-01 1.234288302570520 2003-01-01 1.375838926174460 2004-01-01 1.346132627165410 2005-01-01 2.012067818386210 2006-01-01 2.518891687657430 2007-01-01 2.334152334152320 2008-01-01 3.481392557022830 2009-01-01 1.972157772621810 2010-01-01 2.502844141069370 2011-01-01 3.884572697003330 2012-01-01 2.564102564102570 2013-01-01 2.291666666666680 2014-01-01 1.425661914460280 2015-01-01 0.401606425702812 2016-01-01 1.000000000000000 2017-01-01 2.574257425742580