Year annual % growth 1962 15.567294766879698 1963 9.701248877642627 1964 10.463558912161915 1965 5.10415438761936 1966 13.708462844874546 1967 2.722277018458513 1968 15.774601519848574 1969 11.441671998293884 1970 12.223179068457029 1971 12.75057789230361 1972 4.8800571356551785 1973 10.272145357826673 1974 -7.626866213810885 1975 3.804258063501308 1976 23.59528427688204 1977 7.9876904969165 1978 20.737868707282175 1979 17.395045301311313 1980 19.082119799426465 1981 12.264528518913394 1982 -2.107281415239896 1983 9.204586838698631 1984 13.98281573150841 1985 5.757817148308234 1986 11.549611417332912 1987 26.857204783320896 1988 23.128318525917365 1989 6.549012858128293 1990 10.140613671170115 1991 17.106682841586235 1992 20.915270001446572 1993 11.596516259676278 1994 13.335338315570297 1995 12.595233031681403 1996 4.8992538975438436 1997 8.671327393388168 1998 -6.939563032126145 1999 -2.2913206504263712 2000 17.092203480918158 2001 -0.9744733235779108 2002 7.042355933578932 2003 11.428600227978606 2004 14.398187660516726 2005 9.330363804013814 2006 9.90326542856981 2007 9.059190779892234 2008 3.2472571785078514 2009 -8.032915938016316 2010 18.228498074454436 2011 5.602778802168558 2012 4.240615733660107 2013 8.282416850801042 2014 1.026182555798428 2015 -1.7641098611103843 2016 0.8676985856682791 2017 6.614375992250416 2018 4.486569024251878 2019 -7.244551637515201 2020 -6.857976109760372 2021 15.82157486186135 2022 -12.232733084406348 2023 -5.307005672700242