Year % of GDP 1975 12.257292479644425 1976 17.429629072564197 1977 25.308179506089612 1978 18.193846813677254 1979 14.251566688386298 1980 17.279653823028422 1981 19.679447930435924 1982 16.164046276292083 1983 20.2688334539174 1984 17.944487498238143 1985 23.974742552643303 1986 21.215273230251373 1987 18.257969200642727 1988 20.182547072916535 1989 14.597318740494531 1990 18.99172988909548 1991 19.372186723586218 1992 15.124583202425136 1993 37.15647437909846 1994 33.7985047656519 1995 23.81787735670926 1996 16.480750159988343 1997 16.270743314766545 1998 16.258584132122866 1999 18.486466853887908 2000 12.880528148104306 2001 9.77664612450452 2002 8.533097224451232 2003 9.474741951987182 2004 11.961343466177718 2005 13.872696281728093 2006 16.061241399524373 2007 16.66189723839544 2008 15.40485658424154 2009 6.62268197274372 2010 7.116656804273585 2011 6.532058512652237 2012 6.4988912901067595 2013 5.014268393310082 2014 6.067957916457285 2015 6.804498725141886 2016 13.955398002531908 2017 13.276866056206105 2018 14.468160869223817 2019 14.071483893203895 2020 14.27813915946089 2021 16.261913526983136 2022 15.56525576439407