Year	Percent of GDP
1980	40.903
1981	43.156
1982	42.946
1983	41.505
1984	42.021
1985	41.687
1986	40.61
1987	37.882
1988	34.116
1989	28.778
1990	25.691
1991	24.746
1992	26.234
1993	30.54
1994	35.627
1995	39.575
1996	42.591
1997	39.573
1998	37.514
1999	36.454
2000	31.019
2001	29.846
2002	30.262
2003	31.769
2004	34.668
2005	35.847
2006	36.317
2007	36.642
2008	43.855
2009	57.021
2010	68.05
2011	72.493
2012	75.549
2013	76.823
2014	78.754
2015	79.286
2016	78.842
2017	77.519
2018	77.507
2019	76.181
2020	75.003
2021	74.147
2022	73.208
2023	72.06
2024	70.891