Year	Percent of GDP
1980	32.1
1981	31.632
1982	30.864
1983	33.738
1984	35.709
1985	35.243
1986	41.363
1987	40.783
1988	36.773
1989	32.752
1990	31.92
1991	32.432
1992	31.882
1993	31.521
1994	30.352
1995	29.855
1996	29.002
1997	28.721
1998	28.532
1999	28.968
2000	29.748
2001	27.608
2002	29.337
2003	30.538
2004	30.905
2005	29.904
2006	31.823
2007	33.532
2008	31.374
2009	31.427
2010	34.469
2011	32.317
2012	32.507
2013	33.315
2014	34.546
2015	36.322
2016	35.551
2017	34.933
2018	33.004
2019	32.511
2020	31.672
2021	31.037
2022	30.598
2023	30.235
2024	29.966