Year % of GDP 1960 5.411825598033194 1961 6.3237109875082895 1962 6.097393550585424 1963 7.259532062391681 1964 8.333664974444257 1965 9.378793455530051 1966 8.046026688492496 1967 9.378020118814963 1968 10.009758538693475 1969 11.551659505969436 1970 10.507527372262773 1971 12.281270428226877 1972 12.372455883018386 1973 16.489115598791628 1974 15.028888781577482 1975 13.033613095571939 1976 15.950327790906794 1977 19.436921296296298 1978 20.358807202156612 1979 20.986720589751425 1980 23.464092478441714 1981 23.87812666260026 1982 25.451788445896177 1983 28.066350710900473 1984 27.230262109856206 1985 27.719915854548578 1986 27.657023903524514 1987 29.542621821370414 1988 29.974774399916782 1989 31.233798967166653 1990 32.01448518604471 1991 32.820009531425434 1992 32.06108919656562 1993 34.8422718320602 1994 36.24207113894576 1995 38.0349036158321 1996 37.57734630171988 1997 43.195226725035916 1998 44.77937143711878 1999 47.92581083371341 2000 51.33647423838171 2001 51.52594885699406 2002 50.83245038013421 2003 52.29433503842708 2004 54.23225474596506 2005 54.198726323013446 2006 57.1353356643795 2007 60.860185882084615 2008 75.4000957899399 2009 80.66311211755549 2010 73.24216062327851 2011 66.48946389324942 2012 67.71797810820745 2013 74.31554963063172 2014 75.36051884250743 2015 86.3803963337898 2016 94.20586024807297 2017 89.40497102636573 2018 95.33178294445182 2019 97.16987777673661 2020 117.74945548011753 2021 120.65676959323119 2022 113.59305241524325 2023 120.78973279243941