Annual % of GDP
1977 12.292656304478768
1978 18.01871027200985
1979 26.592788594828864
1980 28.650118915802793
1981 24.668008047507143
1982 27.104449956756437
1983 22.222153630919916
1984 22.27953158785584
1985 24.337461861310523
1986 14.80591995818017
1987 15.309599954656669
1988 14.897443804701785
1989 17.045878639357905
1990 13.054045869749151
1991 13.957281203546287
1992 13.090892305614036
1993 13.34947559502889
1994 16.76548060872359
1995 16.38927606966413
1996 16.25847042388784
1997 18.256757980132342
1998 17.75142608580845
1999 18.396232533546243
2000 17.319379461168936
2001 16.66479750932513
2002 16.951753375854
2003 16.801108802869898
2004 17.837255694833797
2005 19.742073426791375
2006 23.32665636559845
2007 24.1164184752208
2008 22.751176865831333
2009 20.920441917375154
2010 22.446143370597444
2011 23.700102854868444
2012 22.865850947450994
2013 22.479795896284145
2014 21.211497178690312
2015 20.628195249469623
2016 20.374234479675533
2017 20.590616259375636
2018 20.400871735452164
2019 20.712807799967333
2020 19.880104144597247
2021 20.18064835813958
2022 18.316176488866855
2023 19.49482976937869