Year annual % growth 1961 0.5240481300366326 1962 -0.5712421174364977 1963 2.2566803350844538 1964 8.418292244687109 1965 -8.55524752695726 1966 -0.6256840382637989 1967 11.895695052218542 1968 2.009239188796627 1969 5.6407822575092865 1970 7.163808217014235 1971 -2.1868902743767364 1972 -4.177888670456483 1973 5.760164090049756 1974 -0.09381679297109713 1975 9.3278418165946 1976 -3.5553129864599526 1977 7.978954560235181 1978 2.7058562410745566 1979 -9.669208982088833 1980 10.613544215548544 1981 4.5108415372457955 1982 0.5728125041662793 1983 8.71401849597953 1984 0.9913373477730403 1985 1.8119361362537632 1986 0.7717494688054529 1987 -0.8580575632590097 1988 12.389595958927075 1989 1.922575406630969 1990 4.240337594591239 1991 -0.6391099660415023 1992 6.575949783991291 1993 1.918812930557337 1994 4.585277347411761 1995 0.4287506184688965 1996 9.52508426593512 1997 -1.634238192073866 1998 5.784641050746416 1999 2.6437989803441866 2000 1.4023121730084966 2001 4.6914451069096685 2002 -4.7767171773864305 2003 7.616883022577099 2004 0.7233173167969511 2005 5.153846408135195 2006 2.8637937180390907 2007 5.2094203828923185 2008 0.23782769298460948 2009 0.5228210281016175 2010 6.936576349168817 2011 5.531045786040707 2012 2.0869076957675787 2013 4.8763050808260004 2014 0.5827842796849438 2015 1.0074982265803953 2016 5.283720960680952 2017 5.61710601492662 2018 2.4400419144216414 2019 5.230216164303997 2020 3.893392429760695 2021 4.179544070680194 2022 4.321507871439508 2023 1.0883617844964562