Year	% of GDP
1980	24.123796848131036
1981	20.26774448193039
1982	20.872599831537993
1983	21.59281040780051
1984	24.846594384100783
1985	25.033934428835707
1986	19.568140539396374
1987	14.627291857747155
1988	13.152857422830685
1989	20.458559841663476
1990	16.9548905344987
1991	14.183302616873315
1992	15.019933050800555
1993	17.10280686593306
1994	15.54580509312085
1995	18.822108620764606
1996	21.699941149990284
1997	22.78158251775492
1998	20.265987163830076
1999	19.03851807693099
2000	23.939805987504368
2001	23.665441567130667
2002	22.688528718497135
2003	22.308717997069756
2004	22.836808383356942
2005	23.861969590900525
2006	23.15827774344
2007	20.838082607440235
2008	20.710462732642362
2009	23.232555271353824
2010	21.66739286410579
2011	21.56564595561645
2012	20.636958533676168
2013	18.655358725524408
2014	18.40664696731998
2015	19.42602663096666
2016	18.37623276115904
2017	18.185101479105064
2018	18.494924892668855
2019	19.117746443958755
2020	22.315359522186654
2021	22.672228114534988
2022	21.01732995668792