Year annual % growth 1961 6.553268513025799 1962 5.014325790515414 1963 4.45331692610813 1964 7.006249796231373 1965 5.945949370281284 1966 5.041409774390289 1967 0.9521258719251193 1968 1.3247695245330249 1969 5.801949273823695 1970 5.024307666754751 1971 6.553609338466629 1972 7.405346013734103 1973 7.923406949330712 1974 10.1434308998968 1975 0.9010226270736581 1976 6.30137779229625 1977 10.072670445956746 1978 9.365271705673365 1979 8.886047775707226 1980 15.105607856008078 1981 6.842466215096849 1982 4.525666994344377 1983 3.5126890484258553 1984 3.748238294121478 1985 0.07745283625801846 1986 -7.571427560412147 1987 1.9194951381352325 1988 10.721203794422564 1989 11.126424521356967 1990 10.605385200973515 1991 9.597108064959997 1992 4.71213524748579 1993 6.706906894090821 1994 9.065949677463038 1995 10.482977299728603 1996 5.629102633764333 1997 4.57387542219692 1998 -9.975136919418176 1999 5.6538361738273295 2000 10.222324018970781 2001 5.417078597953392 2002 5.531148194181014 2003 8.221811666785172 2004 9.363248952484867 2005 8.54378329370384 2006 6.378963303791124 2007 9.946467657037346 2008 8.332652023818426 2009 1.4598262823877945 2010 5.865600099371136 2011 8.377206979162509 2012 7.708949044842427 2013 6.940542781176646 2014 6.4232579721380745 2015 5.709710629858407 2016 4.914245942126371 2017 6.673695471460775 2018 7.125833917038477 2019 6.583992854362847 2020 -2.568970487844865 2021 2.7029213439092814 2022 9.89988882295026 2023 4.58958474119639