Year	Percent of GDP
1981	19.92
1982	16.264
1983	14.373
1984	14.234
1985	15.523
1986	14.449
1987	14.808
1988	14.997
1989	14.988
1990	14.481
1991	15.936
1992	16.169
1993	17.303
1994	16.389
1995	15.776
1996	16.41
1997	20.453
1998	16.747
1999	17.839
2000	16.869
2001	13.407
2002	13.733
2003	16.389
2004	19.814
2005	17.171
2006	18.84
2007	21.268
2008	18.877
2009	18.818
2010	20.729
2011	22.395
2012	21.437
2013	21.043
2014	20.845
2015	18.623
2016	22.629
2017	22.804
2018	20.533
2019	20.698
2020	21.016
2021	20.911
2022	21.175
2023	20.662
2024	20.662