Year	% of GDP
1987	28.000000000000004
1988	25.925925925925924
1989	28.57142857142857
1990	33.33333333333333
1991	32.20338983050847
1992	10.875
1993	18.163672654690618
1994	32.68348623853211
1995	16.211656441717793
1996	12.63225806451613
1997	20.234023402340235
1998	25.158985351911394
1999	24.841685365245574
2000	22.53877082136703
2001	23.098044654000834
2002	20.932802829354554
2003	19.119602727043176
2004	18.355459225142237
2005	18.531997088628856
2006	17.197874061755584
2007	18.854814814814816
2008	10.721649484536082
2009	10.515352970786829
2010	11.340542556166683
2011	8.88435455800276
2012	8.501466802370832
2013	8.47439420658294
2014	8.295443552287898
2015	9.306538759287783
2016	10.52743832597379
2017	11.117807476156754
2018	11.041568836338914
2019	10.811357104506838
2020	11.492052406103651
2021	11.807959960234479
2022	11.608388074785244
