Year	Percent of GDP (Units)
1980	32.462
1981	36.138
1982	24.312
1983	20.951
1984	24.161
1985	11.960
1986	19.121
1987	0.611
1988	25.858
1989	30.191
1990	30.332
1991	23.721
1992	24.234
1993	22.862
1994	20.785
1995	26.440
1996	21.761
1997	18.111
1998	30.143
1999	16.483
2000	21.661
2001	18.336
2002	19.792
2003	19.073
2004	25.229
2005	18.329
2006	21.693
2007	23.075
2008	35.468
2009	32.630
2010	34.702
2011	39.118
2012	36.000
2013	24.879
2014	25.253
2015	28.443
2016	22.068
2017	25.006
2018	25.903
2019	30.876
2020	32.794
2021	27.383
2022	24.955
2023	30.020
2024	30.896
2025	29.580
2026	31.995
2027	32.077
2028	32.156
2029	32.035