Year	% of GDP
1980	71.3393304804284
1981	60.6677370225297
1982	34.7756748440513
1983	32.2435994918753
1984	34.6847206034164
1985	33.9345144741502
1986	28.2159970267233
1987	33.7458417423417
1988	26.7828579624703
1989	34.7461741237401
1990	40.8740682384437
1991	23.6193077854387
1992	24.1753653686519
1993	21.4839214614228
1994	18.235083153916
1995	18.958919570053
1996	22.4740735880541
1997	20.9239457699085
1998	15.1566374540832
1999	18.9307099565332
2000	22.6166110930815
2001	19.6064806102315
2002	18.3096740288898
2003	18.2515226696453
2004	19.5474993928405
2005	23.5501782556664
2006	23.9324887044813
2007	22.2759061285424
2008	24.8161182032708
2009	18.0762091411409
2010	20.4621165633706
2011	26.9949431372074
2012	23.5822213574272
2013	24.5336335455131
2014	22.4113282575127
2015	12.6346752292951
2016	9.6486154919148
2017	11.1603274625829
2018	14.7513564173951
2019	13.3637839937888
2020	10.7041414154858
2021	16.6400337175308