Year	Percent of GDP (Units)
1981	25.315
1982	14.161
1983	12.583
1984	16.329
1985	20.046
1986	21.676
1987	25.074
1988	25.768
1989	28.311
1990	28.293
1991	25.821
1992	27.249
1993	30.003
1994	27.789
1995	29.641
1996	29.881
1997	29.859
1998	28.619
1999	22.550
2000	23.751
2001	24.091
2002	24.108
2003	23.399
2004	21.243
2005	23.268
2006	22.186
2007	22.348
2008	28.897
2009	22.920
2010	24.775
2011	26.646
2012	28.791
2013	27.497
2014	25.158
2015	25.599
2016	23.709
2017	22.637
2018	24.203
2019	24.939
2020	21.058
2021	24.069
2022	25.588
2023	22.954
2024	23.046
2025	23.244
2026	23.575
2027	23.786
2028	24.020
2029	24.239