Annual % of GDP
1975 20.561156730218087
1976 20.456565309281064
1977 21.887982375048644
1978 23.730058967870185
1979 22.003213630475123
1980 22.09462117691142
1981 20.85236791804281
1982 22.303579650492427
1983 21.991578145991156
1984 22.439519881284113
1985 23.009720208624888
1986 24.39762944438703
1987 27.30851645767937
1988 32.00994993830886
1989 34.04926396133852
1990 32.82681871088618
1991 34.52801616983205
1992 34.019905421832405
1993 35.940378563962774
1994 35.8027071005383
1995 35.80281170538413
1996 34.60352018090332
1997 32.25459750911729
1998 31.743744505645743
1999 30.455237567540593
2000 30.7820937245273
2001 28.225509577268546
2002 28.103890614555034
2003 27.97383964184517
2004 27.899484106246845
2005 28.24095242330234
2006 30.445148312901132
2007 32.24983409155756
2008 30.662055726250596
2009 29.27406079654387
2010 29.627590679385317
2011 31.43396296649773
2012 28.931311396431465
2013 27.22076714621889
2014 27.48507895470566
2015 28.043823657924015
2016 30.07650444786941
2017 31.94246723177895
2018 31.686584944472873
2019 31.700751202550098
2020 28.15091410355025
2021 27.53208184955894
2022 26.66436160058948
2023 25.25666179642697