Year Growth Rate Previous Period 1972-01-01 18.67164577220590 1973-01-01 8.22656776803776 1974-01-01 10.99169262720660 1975-01-01 14.78692052205640 1976-01-01 17.80503708533700 1977-01-01 6.68350226588716 1978-01-01 8.73244917150360 1979-01-01 7.75378742693544 1980-01-01 8.84534484667334 1981-01-01 10.56244914564690 1982-01-01 8.68405317142724 1983-01-01 7.09086292267975 1984-01-01 9.52597364105200 1985-01-01 7.53202237055742 1986-01-01 7.40541900847246 1987-01-01 6.46995423233726 1988-01-01 7.97376799049313 1989-01-01 9.93804011087556 1990-01-01 8.50327524409838 1991-01-01 5.47898393894524 1992-01-01 4.58963282937366 1993-01-01 3.25245224574082 1994-01-01 4.15000000000000 1995-01-01 5.39606337013924 1996-01-01 6.61382891500407 1997-01-01 4.42621550029911 1998-01-01 3.58399476311265 1999-01-01 1.83268820601943 2000-01-01 3.36668993871694 2001-01-01 2.94934333958724 2002-01-01 3.40428633911646 2003-01-01 2.93267536129714 2004-01-01 2.69159646599548 2005-01-01 2.96118447378953 2006-01-01 3.02500323876149 2007-01-01 3.68437598239548 2008-01-01 3.94760778606512 2009-01-01 1.92509625481274 2010-01-01 3.20512820512822 2011-01-01 2.75066548358471 2012-01-01 3.64313471502592 2013-01-01 2.05176274540436 2014-01-01 2.31157830280145 2015-01-01 2.64339152119701 2016-01-01 1.88046647230318 2017-01-01 2.02699480135454