Year Growth Rate Previous Period 1979-01-01 29.90676447505580 1980-01-01 38.80775571039220 1981-01-01 48.23922818515000 1982-01-01 63.98728407295660 1983-01-01 66.13027528405620 1984-01-01 70.73058966989640 1985-01-01 64.20493987766270 1986-01-01 94.90426539367420 1987-01-01 113.95510205237100 1988-01-01 94.86620814486170 1989-01-01 43.73042100182810 1990-01-01 48.04150112893210 1991-01-01 38.48096779963570 1992-01-01 21.06684138078930 1993-01-01 25.27186200857110 1994-01-01 20.61930858218080 1995-01-01 19.10803915296610 1996-01-01 29.11290879619070 1997-01-01 30.55280284788350 1998-01-01 28.46158845929550 1999-01-01 25.16136998948060 2000-01-01 20.59247356301580 2001-01-01 29.31216349261640 2002-01-01 9.10946310256912 2003-01-01 6.70149804377693 2004-01-01 7.43332875165537 2005-01-01 8.85841092018833 2006-01-01 17.45986614184730 2007-01-01 10.41018698683580 2008-01-01 14.22040225114210 2009-01-01 11.31294573472260 2010-01-01 8.81538344419153 2011-01-01 16.28854337286740 2012-01-01 19.58605968982100 2013-01-01 13.37866075862500 2014-01-01 11.02672114963870 2015-01-01 9.27602095140929 2016-01-01 4.55644314213779 2017-01-01 7.70737766774142