Year Growth Rate Previous Period 1969-01-01 -8.68142293253964 1970-01-01 5.36395226283767 1971-01-01 4.44887813059744 1972-01-01 4.05096036354489 1973-01-01 15.61159218813520 1974-01-01 30.86213608181140 1975-01-01 12.44975236263550 1976-01-01 12.15373663835580 1977-01-01 28.92045387079940 1978-01-01 16.46999920868920 1979-01-01 18.60972279263010 1980-01-01 25.24618014662220 1981-01-01 25.84856369836280 1982-01-01 53.35309756280690 1983-01-01 89.39030728157400 1984-01-01 75.53750835547160 1985-01-01 59.76353665298710 1986-01-01 84.80762436873750 1987-01-01 130.91066190416900 1988-01-01 110.36664177522200 1989-01-01 21.58232614068730 1990-01-01 25.94124485486480 1991-01-01 19.31133212109100 1992-01-01 10.65575585911520 1993-01-01 5.48638558741656 1994-01-01 4.65494029059802 1995-01-01 39.62875010276790 1996-01-01 42.25132718197060 1997-01-01 19.11306343492280 1998-01-01 16.02470129470460 1999-01-01 15.65736386628940 2000-01-01 5.41721722630645 2001-01-01 5.06331477771942 2002-01-01 3.75285373183784 2003-01-01 5.53469974399839 2004-01-01 7.21681021025357 2005-01-01 5.36617182927117 2006-01-01 3.65727697236941 2007-01-01 6.62090672681227 2008-01-01 8.14983578835159 2009-01-01 8.81849605007330 2010-01-01 3.30636491947420 2011-01-01 4.35980244823164 2012-01-01 8.12244235270356 2013-01-01 5.17222643384973 2014-01-01 4.74062573653952 2015-01-01 3.98915338131939 2016-01-01 4.46966146243273 2017-01-01 6.96601304777493