Year annual % growth 1971 3.1861270932988646 1972 6.361071323965234 1973 5.537878480724572 1974 -1.6233570195420697 1975 -0.13335591682212566 1976 0.4925199438198007 1977 -0.39755849229396745 1978 5.352307133112433 1979 4.366238380246131 1980 -0.08450667372798648 1981 0.1627235517866552 1982 1.0920251118996305 1983 4.196410080528111 1984 2.3150597106645705 1985 3.8853432800725045 1986 6.463586578315045 1987 5.503663221419018 1988 7.7570527197294865 1989 3.4901801263988403 1990 0.9749732910357949 1991 -2.063193755723674 1992 1.5763711269162144 1993 4.335807644472695 1994 3.5192118018308065 1995 2.1638919611434204 1996 3.7330318270791736 1997 5.408604898119094 1998 4.1237021533433165 1999 4.232902110243458 2000 4.678037153118993 2001 3.221744498265082 2002 2.65415737665127 2003 3.3600424027542886 2004 2.778781188648722 2005 2.7934102454075145 2006 0.7287110354413926 2007 3.1858892631610303 2008 -0.6783484460458453 2009 -2.8865676333956998 2010 2.1542929726466156 2011 -0.33200936198622344 2012 1.7247617665597517 2013 2.533827814284706 2014 2.7129159698673107 2015 2.8300341488302934 2016 3.6785729346874803 2017 1.8287125417565875 2018 1.963043199153816 2019 1.086227077209017 2020 -13.235850298565353 2021 7.439020515100509 2022 4.9858575649786445 2023 0.29632077808396673