Year	% of GDP
1980	31.526732951852527
1981	33.76512375103757
1982	37.06304036190768
1983	40.70230386252212
1984	39.5063538841986
1985	45.92836355661134
1986	43.86979134272411
1987	38.43142154786292
1988	40.0676083597346
1989	33.80433710356318
1990	27.857030203821537
1991	32.427187241022295
1992	39.9853761229255
1993	41.086807984661256
1994	48.914971732852116
1995	44.716915964062196
1996	37.459704560821805
1997	27.213266040973604
1998	31.310553397285233
1999	35.24741052132072
2000	54.04204740774136
2001	61.38918064282217
2002	68.56944876441247
2003	66.86029799712198
2004	67.73319343242439
2005	61.2151499544783
2006	47.80769294999243
2007	42.91836145164562
2008	44.16347852869251
2009	50.18927115259605
2010	64.26512131997988
2011	69.60254200580506
2012	70.65440115807152
2013	65.0350745586334
2014	57.384679184906396
2015	57.29285374241119
2016	57.243685360098794
2017	54.16776240075363
2018	54.01552832253217
2019	46.08535259754917
2020	39.07057561705152
2021	44.388599262882266
2022	55.33987294958032