Year	Percent of GDP
1980	24.715
1981	22.081
1982	18.685
1983	20.873
1984	23.092
1985	23.295
1986	23.662
1987	24.116
1988	24.683
1989	25.625
1990	24.198
1991	21.516
1992	19.061
1993	17.798
1994	21.388
1995	23.929
1996	23.842
1997	24.226
1998	25.095
1999	25.655
2000	26.816
2001	27.602
2002	26.341
2003	27.557
2004	27.646
2005	28.136
2006	31.309
2007	32.866
2008	32.444
2009	27.038
2010	28.953
2011	29.473
2012	28.275
2013	27.806
2014	27.974
2015	28.464
2016	28.308
2017	28.401
2018	28.287
2019	28.545
2020	28.796
2021	29.015
2022	29.38
2023	29.742
2024	30.006