Year annual % growth 1971 3.0367304064053258 1972 9.797867033689101 1973 9.370005270587754 1974 1.093584768689837 1975 -12.263208821181422 1976 12.403407342496237 1977 10.613383107575316 1978 -9.831966236334807 1979 16.340199833031903 1980 -1.151508327467738 1981 -6.031444835709635 1982 -6.950718209416436 1983 -3.1436889361363853 1984 5.211645245375635 1985 6.419538136557662 1986 0.14535205974577536 1987 3.3454824418631404 1988 10.361659515096733 1989 6.847928513640667 1990 5.6320263178468934 1991 4.8001287580842416 1992 -0.8187281270525091 1993 -2.7882214375861736 1994 5.978138352386281 1995 6.424695272757688 1996 0.7635992318198817 1997 1.7660753698215643 1998 2.839248122322786 1999 3.4181908732404906 2000 2.505189702831643 2001 -0.852776570619838 2002 -3.829455079861461 2003 4.6481882461837785 2004 1.6644412036893357 2005 1.5645492583964398 2006 2.2255618175184253 2007 7.459436276933616 2008 -0.5404031548723793 2009 -10.356721312273748 2010 -0.17818458429006512 2011 8.805649935354026 2012 -0.7023415176894048 2013 -0.7346984623378177 2014 0.7034230999431941 2015 3.2415840040049346 2016 4.466445651338361 2017 4.476895443562952 2018 6.060705322056819 2019 -0.6977885776187236 2020 -5.412295298092346 2021 10.839173003106751 2022 -0.695045814117762 2023 -5.30736244726431