Year	Percent of GDP (Units)
1980	28.541
1981	31.161
1982	29.587
1983	30.333
1984	32.788
1985	32.123
1986	26.914
1987	26.854
1988	26.427
1989	27.286
1990	26.927
1991	25.616
1992	24.772
1993	24.779
1994	25.711
1995	27.400
1996	29.354
1997	31.071
1998	27.858
1999	29.918
2000	36.449
2001	36.322
2002	32.760
2003	31.594
2004	34.153
2005	38.870
2006	40.538
2007	39.641
2008	41.920
2009	35.610
2010	36.624
2011	38.673
2012	39.405
2013	38.550
2014	39.033
2015	35.913
2016	32.945
2017	33.866
2018	36.681
2019	33.403
2020	32.455
2021	39.973
2022	51.859
2023	43.568
2024	44.116
2025	45.021
2026	43.042
2027	42.087
2028	41.304
2029	40.712