Year	% of GDP
1978	18.48101265822785
1979	17.556651279899288
1980	13.135135135135133
1981	17.955263157894738
1982	19.2025
1983	19.978571428571428
1984	27.0625
1985	20.60217391304348
1986	15.091489361702129
1987	15.737254901960785
1988	20.2859649122807
1989	16.067857142857143
1990	10.323636363636364
1991	26.825245901639338
1992	30.48276923076923
1993	29.416521739130435
1994	29.348533333333332
1995	28.49907894736842
1996	26.07835294117647
1997	23.90967032967033
1998	24.385673076923077
1999	25.16448598130841
2000	19.959741379310344
2001	20.39860655737705
2002	21.654997411291582
2003	23.44767606924534
2004	24.40159283096753
2005	20.471549189114093
2006	22.04191485873545
2007	23.165190847397767
2008	24.693162693055644
2009	26.61082474226804
2010	24.191561168475403
2011	25.217877828558056
2012	24.414343186374936
2013	23.11824216340749
2014	23.990373017691024
2015	21.681142643368638
2016	26.33849633992056
2017	30.438577235772357
2018	25.310494296577946
2019	25.903615271385878
2020	26.48339262787977
2021	23.09328194710241