Year annual % growth 1961 1.7048358646389374 1962 1.3027478318515762 1963 3.7200385343450364 1964 5.973783118235005 1965 0.08852005521148953 1966 1.2995703009368071 1967 5.657445806863166 1968 2.626836461499309 1969 3.714121501152505 1970 3.3959681497566834 1971 1.9457617077537606 1972 0.6698840478989609 1973 2.4540157827167945 1974 -0.07540167227048755 1975 5.678903805515787 1976 1.9939629452411651 1977 8.154261201356718 1978 6.111794477722626 1979 -2.242982487025813 1980 9.00088644963543 1981 4.348571593498789 1982 1.0001309011877169 1983 7.761606423817597 1984 2.88235910700314 1985 4.173558345143306 1986 3.155657954291641 1987 3.427365227672823 1988 6.241775944095053 1989 4.962380362845337 1990 4.466487791503653 1991 2.1572589969963474 1992 2.5787987146369318 1993 4.346925456866458 1994 4.860116829534931 1995 6.087888888647683 1996 7.773661303855192 1997 2.9896564294525234 1998 6.501189433454442 1999 6.079353417447251 2000 3.4395893773839816 2001 5.952897392358622 2002 2.8704785591560267 2003 5.925320390462474 2004 5.171125598442856 2005 7.455695388031415 2006 4.935775513662932 2007 7.281564444566868 2008 4.452197356397704 2009 5.000777254333215 2010 6.7204084924670155 2011 7.4219858690506015 2012 5.470856843614257 2013 7.303177491883034 2014 6.393855559142267 2015 7.92811112124636 2016 8.130124544782774 2017 6.238808064118601 2018 7.0895466240522325 2019 5.168800888659007 2020 -5.28945828699338 2021 11.676755344301142 2022 6.77064037372206 2023 3.0213107629170253