Annual % of GDP
1975 12.896886990899942
1976 14.084203636819455
1977 14.719777463328539
1978 14.331960523507584
1979 15.19274569353397
1980 14.617352506903096
1981 16.688811226798425
1982 16.914751050674898
1983 16.579794881965395
1984 16.201924593216308
1985 17.15283470805113
1986 16.822731535188925
1987 17.928300870870782
1988 18.54132906496764
1989 20.065984244859234
1990 21.016304676945396
1991 21.743720989183004
1992 22.94832058791652
1993 23.073030189397386
1994 24.888266146755456
1995 25.443124889216804
1996 25.452730333497055
1997 25.99016769402796
1998 24.925021610930305
1999 24.746672387352014
2000 25.142401089598405
2001 25.37009870416329
2002 27.17451308406674
2003 29.004635117167226
2004 31.331757375495247
2005 32.128505824031514
2006 33.83935695766961
2007 34.32966277254713
2008 33.39055261841714
2009 33.40684013772969
2010 34.37580954501736
2011 33.341433873345224
2012 33.55259869593041
2013 32.7770287375639
2014 31.955745031123254
2015 31.15143847205583
2016 30.58400908297087
2017 30.43585613820608
2018 30.058492139160407
2019 28.623737493767482
2020 27.8266896468658
2021 28.885249930711726
2022 28.239199152631127
2023 29.15460962081012