Annual % of GDP
1975 16.24996946612976
1976 18.077838947002352
1977 21.07712076545528
1978 25.97888685048517
1979 28.599979939325916
1980 27.376491571537443
1981 23.072616285901656
1982 21.478549546802526
1983 20.937951778325644
1984 19.484651431117612
1985 22.15039970028938
1986 26.354285802201204
1987 28.646284633728385
1988 28.893463980430163
1989 29.27369464641682
1990 28.00318686767762
1991 25.239750342777977
1992 25.29432664618037
1993 22.768146972822866
1994 21.655323638357928
1995 24.634302879129233
1996 21.49015264369693
1997 21.627857263511167
1998 22.156802147133337
1999 20.29442779156735
2000 17.94589936084997
2001 18.12189279830249
2002 17.36376480709236
2003 16.413428828860503
2004 15.53109710264146
2005 13.693737976772297
2006 12.782193783984658
2007 13.43253807684568
2008 11.42500298560166
2009 11.01889865264678
2010 10.61495058809097
2011 13.331253298715406
2012 13.790994245321246
2013 15.618796573275906
2014 14.96576633375517
2015 15.644796258525048
2016 16.325906100033272
2017 18.021004316724344
2018 18.33232283552987
2019 18.392278426654553
2020 17.69144005481867
2021 19.489779003212824
2022 19.054661597175144
2023 20.517837148134983