Annual % of GDP
1974 39.44705615998652
1975 14.680448909472835
1976 20.916072810966178
1977 22.824413114426335
1978 21.884886701812082
1979 28.116923804515785
1980 24.44123029019159
1981 18.013889061759407
1982 14.323183198354533
1983 15.825046882910796
1984 17.653582110387962
1985 22.35410891372557
1986 21.167742881561313
1987 17.953687846634576
1988 14.508636140348056
1989 11.61329896896597
1990 33.19581999467172
1991 32.1223372739268
1992 31.558677739934655
1993 4.230882323155292
1994 29.881344789386567
1995 32.1801537157458
1996 20.671945597687046
1997 21.275803738636263
1998 14.327876153891575
1999 14.452179029368606
2000 22.85268243876199
2001 21.23396883650434
2002 24.850879393032717
2003 26.664536097562568
2004 29.069699715441207
2005 18.78000879718695
2006 13.71067639791006
2007 12.320090597221366
2008 11.6376326075146
2009 10.163917297760175
2010 10.931159043709808
2011 13.903712316520195
2012 11.996237844914114
2013 12.418202925660522
2014 14.932760564749861
2015 16.739486765368454
2016 12.964805691398421
2017 15.325283552315435
2018 16.50522615080471
2019 17.809279732165727
2020 21.050420515812586