Year annual % growth 1971 5.691489055700032 1972 5.2507974796293695 1973 3.6340443913034193 1974 1.1996314676562037 1975 3.92097317988555 1976 3.714535311600173 1977 3.708404377667108 1978 3.7253571446657503 1979 3.4342634967319867 1980 2.002281616376706 1981 0.8945205023899803 1982 -1.0220408393695806 1983 0.9330678791715741 1984 1.7626024767898087 1985 1.598837961609334 1986 3.218884100012943 1987 2.8066520895457074 1988 2.3480510679398776 1989 1.7124037118857274 1990 3.6693287400655805 1991 4.1016033647711225 1992 3.5985606431441397 1993 0.24443608452484966 1994 1.9122178149365112 1995 1.7126302344931474 1996 1.869506418785761 1997 0.7778316372214533 1998 1.6883744449191767 1999 2.253320516932604 2000 1.6469494837928664 2001 1.026928707955264 2002 -0.734131438738288 2003 0.5120033033339126 2004 0.3169574375838806 2005 0.7221844637873573 2006 1.2883712802678673 2007 0.2322751047821896 2008 1.1807546030021996 2009 0.7307232924973448 2010 0.8986574705344879 2011 1.6203453959475524 2012 1.4361141781252513 2013 0.6350197923651137 2014 1.2206471569414106 2015 2.1972408882437975 2016 2.8800001091466214 2017 1.4774494364272073 2018 1.3122603218059368 2019 1.8719866200707145 2020 -3.053364548704863 2021 1.99119317041594 2022 3.1912893092569448 2023 -0.9550660497449002