Annual % of GDP
1976 17.879427029195718
1977 21.200396769421754
1978 20.858796997042912
1979 19.876390347203643
1980 21.384544975049717
1981 21.769243600733788
1982 13.745201728889626
1983 15.857927641208915
1984 14.06970548746812
1985 16.885321483606962
1986 15.203465054067788
1987 11.758063848924154
1988 12.751254918313643
1989 13.417197693488339
1990 17.76415141360873
1991 18.2671643725713
1992 21.574447292262484
1993 14.781898757943262
1994 15.34660031874249
1995 14.512289528689386
1996 16.761081162761
1997 16.918236720570846
1998 14.940176518756893
1999 22.07335839005472
2000 26.62575837692372
2001 18.819054942993432
2002 17.812394310433238
2003 18.04265230588876
2004 18.970646967480235
2005 22.905603466757476
2006 26.51469569044097
2007 27.35170254293565
2008 30.487457906357594
2009 24.88350979968248
2010 24.816802064226803
2011 27.59569784641121
2012 27.05603587597638
2013 27.2669540464466
2014 26.55440511789518
2015 20.625722767961953
2016 21.320653708398936
2017 22.12803044659847
2018 21.225917402933955
2019 20.79208382222504
2020 19.858832423865675
2021 23.86776402935559
2022 24.167738630728845
2023 23.49697162749976