Year annual % growth 1961 5.883612878689675 1962 0.5421885980050547 1963 11.221261173014767 1964 6.6579803448176165 1965 12.981455388349843 1966 14.447929045711135 1967 0.7370310882550513 1968 3.0860144530878983 1969 5.623293900629349 1970 7.02963472780111 1971 2.5434642752081515 1972 3.5478806874814808 1973 9.642207398797467 1974 9.789823013394667 1975 10.037783362978402 1976 1.4535881888213709 1977 3.0291064999235573 1978 10.50643306812313 1979 6.108799049139989 1980 5.906522853324361 1981 6.577903188720313 1982 7.898179562212064 1983 9.241570216537113 1984 7.896720002437178 1985 7.923034814787044 1986 5.769589971342029 1987 5.862479104668125 1988 6.766828467950916 1989 3.8097430599723765 1990 4.478169307357646 1991 5.210271966149421 1992 6.758782805863461 1993 4.633956053101613 1994 4.202136694415941 1995 4.7979486751718525 1996 4.9917682684776 1997 3.6109013528033813 1998 1.6448894035903123 1999 4.991354585694438 2000 4.152166595043056 2001 4.952979495936674 2002 3.6754867758026535 2003 5.655596349716845 2004 7.170112455934401 2005 8.281137639576059 2006 8.532544327508234 2007 5.186633780991642 2008 4.719268660804985 2009 1.8386859864109084 2010 2.62740101757835 2011 2.8582820328939533 2012 3.4845121613511054 2013 5.13233601363406 2014 3.8173226281621453 2015 4.197532398358888 2016 5.032554615475604 2017 5.621716811748698 2018 5.952782391762355 2019 5.004554461063023 2020 -1.2089881369961688 2021 5.909349633945851 2022 6.662337087734471 2023 0.0726555444679775