Year Growth Rate Previous Period 1981-01-01 84.25060194367020 1982-01-01 70.94293822938790 1983-01-01 35.29440249192600 1984-01-01 39.56339967917340 1985-01-01 55.97331504471530 1986-01-01 56.96851702451820 1987-01-01 48.23085723930810 1988-01-01 56.66254225428390 1989-01-01 69.81254476938630 1990-01-01 61.52104223275920 1991-01-01 58.44646652389860 1992-01-01 87.09598798028810 1993-01-01 63.28128477645570 1994-01-01 122.10204590005300 1995-01-01 105.57807687792000 1996-01-01 110.34097746852400 1997-01-01 113.17722620395500 1998-01-01 101.31438025875900 1999-01-01 85.18939708055890 2000-01-01 72.58079843318590 2001-01-01 72.72636667464890 2002-01-01 38.37971073551490 2003-01-01 18.54032931516440 2004-01-01 23.21466316981020 2005-01-01 21.03728374166770 2006-01-01 26.28513047257980 2007-01-01 18.03471308349080 2008-01-01 19.13436909848120 2009-01-01 18.34238659347190 2010-01-01 15.02071788099220 2011-01-01 20.53779783620140 2012-01-01 9.97740327570554 2013-01-01 16.42838344144880 2014-01-01 16.60077017152550 2015-01-01 17.36228038137930 2016-01-01 12.35618652286660 2017-01-01 18.84234462855390