Year annual % growth 1961 4.21725380701325 1962 0.9809858625703356 1963 1.882218550676626 1964 14.243142593164393 1965 -2.0865683750901383 1966 8.204580637654118 1967 2.0187109779101604 1968 1.7857148288221651 1969 11.00047455153286 1970 15.762493069702941 1971 3.3210333461939996 1972 6.071429020216712 1973 -7.744108803824361 1974 14.963505202502873 1975 6.9841264760462 1976 18.397625428399735 1977 6.015038296598391 1978 -1.4134953391463796 1979 5.515678126180589 1980 11.588495047141663 1981 1.2192513368983953 1982 -3.423499577345737 1983 -1.6630196936542632 1984 3.604806408544732 1985 5.31572164948453 1986 9.319873559702245 1987 6.034884805521884 1988 9.04292751583391 1989 2.767021619877383 1990 -13.454745270429385 1991 -10.1859410430839 1992 12.88628559886891 1993 -9.375559134013244 1994 -5.074037512339586 1995 -2.766222961730449 1996 5.294117647058826 1997 -0.96495683087862 1998 15.425641025641028 1999 9.809845388306385 2000 15.720181259103413 2001 6.394791863335357 2002 3.135022871864976 2003 3.733702094033987 2004 5.366105380849092 2005 10.135497562909592 2006 3.852302805717315 2007 12.777236883018901 2008 4.339120333750685 2009 6.9493118699722345 2010 -1.0158575855155192 2011 -0.9591737356625174 2012 2.345134754351676 2013 3.1650040975499394 2014 -2.5631092275845333 2015 2.091976272997087 2016 4.399940206445123 2017 1.4235492269954335 2018 0.9975071608754291 2019 3.2785739509152023 2020 2.2573717183877164 2021 12.6276962944129 2022 -4.1353034679399485 2023 5.960192264266581