Year	Percent of GDP
1988	17.711
1989	16.367
1990	15.411
1991	14.637
1992	15.765
1993	14.963
1994	14.778
1995	15.729
1996	10.653
1997	12.895
1998	18.051
1999	17.7
2000	14.861
2001	13.294
2002	15.788
2003	9.883
2004	11.816
2005	12.479
2006	23.11
2007	14.386
2008	15.152
2009	16.059
2010	17.15
2011	13.327
2012	16.364
2013	8.385
2014	15.707
2015	14.316
2016	14.132
2017	13.691
2018	17.549
2019	18.813
2020	18.307
2021	17.868
2022	17.987
2023	18.098
2024	17.603