Year % of GDP 1976 28.107488542926706 1977 28.47829676337667 1978 30.268171726488564 1979 30.44185446069119 1980 27.931586658616734 1981 28.857749811545304 1982 31.561251333823606 1983 28.40496219535192 1984 32.54906087662286 1985 34.056193962008095 1986 31.63744588401659 1987 33.1873718765827 1988 32.762439566276186 1989 33.447033710203776 1990 30.927838828740413 1991 30.405469276680886 1992 32.81645118644526 1993 31.240943204934986 1994 32.90716927118439 1995 33.63267733086494 1996 34.505639608915104 1997 35.30880779773366 1998 36.9657509476916 1999 37.39598743700989 2000 38.10377774685786 2001 38.24263802944745 2002 36.267661284967176 2003 35.09797501727794 2004 40.2890334848375 2005 40.01990948434327 2006 40.23154307866706 2007 41.78334584939604 2008 47.1397631882518 2009 49.99588674961167 2010 49.01990351186215 2011 47.93148422328438 2012 54.55368579563011 2013 57.4006226470107 2014 57.82266978799168 2015 61.0137602706333 2016 62.94239040049641 2017 63.168060480451224 2018 61.60172708960849 2019 65.13451103240355 2020 65.63613264333515 2021 69.44982930430461 2022 70.29494430936197 2023 64.94451653750697