Year	Percent of GDP (Units)
1980	26.499
1981	26.339
1982	23.222
1983	25.985
1984	25.004
1985	28.335
1986	25.988
1987	27.994
1988	32.671
1989	35.212
1990	41.529
1991	42.075
1992	39.719
1993	39.656
1994	40.908
1995	42.863
1996	42.533
1997	34.275
1998	20.071
1999	20.173
2000	22.283
2001	23.112
2002	22.744
2003	23.829
2004	25.681
2005	30.421
2006	27.012
2007	25.496
2008	28.226
2009	20.636
2010	25.357
2011	26.791
2012	28.024
2013	27.457
2014	23.919
2015	22.356
2016	21.105
2017	22.934
2018	25.220
2019	23.815
2020	23.755
2021	28.626
2022	27.829
2023	22.566
2024	21.070
2025	21.032
2026	20.336
2027	20.376
2028	20.179
2029	20.224