Year	% of GDP
1981	26.401113095670713
1982	26.68617898647169
1983	28.2326345302981
1984	19.831063167400075
1985	14.165843839552664
1986	15.052368593471046
1987	17.16002966343574
1988	18.30049435034363
1989	21.009589211010816
1990	23.33171058498868
1991	19.71709250767433
1992	20.748331240935496
1993	23.185536803369065
1994	23.31145264832111
1995	21.794295082021403
1996	23.28233670170633
1997	24.06448802960743
1998	19.988915643433245
1999	16.200654038343345
2000	15.684364180860861
2001	18.945175876676622
2002	20.459137136974864
2003	19.52873560840631
2004	20.73100744612703
2005	18.566530072043406
2006	16.015337770384445
2007	16.128647113238603
2008	18.967146915478946
2009	17.431721199199135
2010	20.441771139065935
2011	20.739936567426035
2012	19.560727968082265
2013	20.642224108182866
2014	20.923970436895175
2015	21.340947870800317
2016	24.61850310201042
2017	25.558773864268915
2018	27.150582041859394
2019	26.401808464322603
2020	17.4333790282876
2021	21.140737148313473
2022	24.685861676310232
2023	23.32117830506511