Year annual % growth 1971 0.7923142995479395 1972 3.1000386762925416 1973 2.5867639132659264 1974 3.269034919158443 1975 3.415953498830376 1976 3.9017141557005743 1977 0.3263298136693322 1978 0.6959479758978517 1979 3.2427314352437406 1980 0.15386659628546795 1981 1.777530461817591 1982 0.8272190386453104 1983 -1.2671484378443267 1984 1.8849350999756922 1985 2.262951167417455 1986 3.6896159834340096 1987 3.6817383471404668 1988 2.190051107530138 1989 1.546290941674087 1990 0.4964838458977141 1991 1.6188404431770635 1992 -0.18126927507346124 1993 -1.8136002591680835 1994 0.8019702355275342 1995 0.7433736797815413 1996 1.1304346114014123 1997 1.8111297037731475 1998 3.491085364891717 1999 3.2871229867180034 2000 3.263816927858201 2001 0.6142621599697549 2002 2.213907776226236 2003 1.2576203463035682 2004 1.7511864573139349 2005 2.133018438745765 2006 2.512288301440975 2007 2.7835328849229626 2008 0.7209833815267785 2009 1.4663385845330055 2010 3.161047163538754 2011 1.5995895827809221 2012 0.8597176282360408 2013 1.7217248045867706 2014 2.295279935327102 2015 3.2990071083970633 2016 2.8138462298287408 2017 1.699491412354277 2018 1.475241277852163 2019 0.555611385224509 2020 -2.6610828021182016 2021 5.1783927566434045 2022 1.4161714533132113 2023 -1.087178281944162