Year	Percent of GDP (Units)
1980	17.198
1981	34.875
1982	31.347
1983	25.000
1984	21.660
1985	15.972
1986	14.857
1987	35.158
1988	42.425
1989	41.222
1990	43.538
1991	31.591
1992	34.857
1993	34.073
1994	30.163
1995	39.086
1996	25.521
1997	25.178
1998	27.695
1999	44.303
2000	41.130
2001	33.500
2002	40.593
2003	33.426
2004	28.598
2005	25.370
2006	23.935
2007	22.350
2008	22.030
2009	19.756
2010	23.196
2011	29.406
2012	50.590
2013	56.396
2014	53.643
2015	42.246
2016	46.280
2017	32.204
2018	45.981
2019	40.846
2020	44.827
2021	40.369
2022	38.580
2023	18.742
2024	42.106
2025	47.143
2026	48.674
2027	38.589
2028	30.105
2029	23.864