Year annual % growth 1961 6.389074490271113 1962 15.161434593535006 1963 4.431425691196637 1964 7.8134272263322515 1965 8.679729928078686 1966 4.982206405693958 1967 3.9590904705239183 1968 6.899517386462065 1969 6.175226166428402 1970 7.948102921936325 1971 7.948692051307944 1972 -0.4523764970059858 1973 4.401930514631573 1974 7.739016924738934 1975 12.101373285482111 1976 5.497581228244115 1977 3.830868092231924 1978 0.6716273182880741 1979 4.802509065961004 1980 9.115534816525155 1981 1.893818491328858 1982 6.322729223950901 1983 1.8122000922058845 1984 6.806014779724222 1985 3.4381546103383016 1986 2.2916666666666714 1987 3.7409103087234996 1988 1.6574219455281423 1989 4.016420900226848 1990 2.2623329241090744 1991 2.2604733150015477 1992 1.8651333330577557 1993 1.1721834635284551 1994 0.8088515345137068 1995 -6.008904393609953 1996 3.805182383877039 1997 2.1362842218379825 1998 -2.2204735052896467 1999 0.4344681994762851 2000 2.928538649203375 2001 3.122487834882378 2002 4.5714520159682905 2003 5.653556815652564 2004 5.237397331615412 2005 1.0790292086387865 2006 3.76747538104118 2007 6.20413554847967 2008 7.671208133278682 2009 1.7657392342343599 2010 -0.2788897976298159 2011 4.083516518918145 2012 4.790311722710044 2013 3.161687932873434 2014 1.9261074787460473 2015 -0.9611108790298317 2016 2.0174020194589275 2017 -0.2780716993087964 2018 1.0862861978096134 2019 1.8407435442845355 2020 0.9285447498032795 2021 0.49536635637299753 2022 0.9515154743890264 2023 2.0986160050173766