Year annual % growth 1971 4.7610136500313445 1972 5.4375005560380885 1973 2.7606058155233058 1974 -0.4861965030665232 1975 -2.923153588781986 1976 1.0662798357131038 1977 3.0300474881412214 1978 2.220037637159038 1979 1.2742424447443739 1980 2.627205859383338 1981 0.9630102365892697 1982 0.25211420815347196 1983 1.2584474352991322 1984 1.619634752671189 1985 2.1357216866486652 1986 2.801509309657831 1987 2.9935049652168146 1988 2.134456447213921 1989 2.527752613570968 1990 1.5771118926486167 1991 1.8204757549755755 1992 0.46899553653918247 1993 -0.37152675552114545 1994 1.2194404985230705 1995 0.8826150013333915 1996 1.4911867060830417 1997 2.041091840086054 1998 2.3394259795599908 1999 2.1422650895986948 2000 2.250846558140779 2001 2.3729980211969632 2002 0.386545726182689 2003 0.47021287564155045 2004 1.8628089918421011 2005 1.319040581712045 2006 1.5223412832609853 2007 2.1287163778757474 2008 1.5128467658452394 2009 1.5524886935568247 2010 1.8733906504423175 2011 1.4120065288992407 2012 2.2004950416602043 2013 2.2594216689950457 2014 0.9910361960306773 2015 2.4603548658400456 2016 1.6343827983211554 2017 1.1530326779882785 2018 0.6624523412582306 2019 1.213509197807582 2020 -3.3660476107937 2021 1.805319758573873 2022 4.166806832034382 2023 2.0910035401509504