Year annual % growth 1971 8.576111179655399 1972 4.82515959598075 1973 3.4418770380826516 1974 1.0039487913151106 1975 9.456216490506094 1976 5.383508390405467 1977 8.738796532253573 1978 6.649452712337805 1979 1.1689148998258645 1980 -5.046293800446648 1981 19.495863009788053 1982 9.324908475367508 1983 5.586410346585652 1984 8.175792721439805 1985 -0.06319034432257808 1986 0.16782577847753544 1987 0.5943971792158322 1988 2.8257040669053026 1989 1.2188486046407832 1990 -4.7574016380085595 1991 -10.304023210068422 1992 -13.914146247794477 1993 -7.803162813563787 1994 2.872933198178657 1995 0.7411976345310052 1996 3.987712599553788 1997 2.4240833130623827 1998 1.3419825190497505 1999 5.110504874471161 2000 2.377253741287987 2001 3.6562279542487346 2002 2.735978443603628 2003 6.5324443389655755 2004 3.7064956380265386 2005 3.6149941109193406 2006 14.98670804858726 2007 4.406923230741128 2008 -0.29010579172482664 2009 1.1874584558533456 2010 5.875967266046871 2011 0.5258038225938009 2012 1.9483746109789024 2013 3.7222307731773725 2014 2.8170059110132826 2015 5.118829981718463 2016 2.874141876430201 2017 1.8173325028917162 2018 1.9749634063749255 2019 0.4906056516057191 2020 -9.092653391890167 2021 2.4131704228324935 2022 1.8754293565376656