Year	Percent of GDP (Units)
1985	28.920
1986	37.402
1987	23.006
1988	27.167
1989	29.391
1990	-49.612
1991	-143.534
1992	-27.886
1993	-3.253
1994	1.723
1995	11.756
1996	24.197
1997	29.273
1998	19.298
1999	27.803
2000	51.927
2001	44.625
2002	30.628
2003	26.792
2004	31.963
2005	38.257
2006	27.090
2007	35.960
2008	23.964
2009	33.587
2010	35.315
2011	40.961
2012	43.613
2013	42.136
2014	30.368
2015	16.671
2016	13.312
2017	16.794
2018	17.258
2019	11.091
2020	-3.966
2021	8.870
2022	30.595
2023	29.442
2024	27.286
2025	28.087
2026	27.894
2027	27.414
2028	26.925
2029	26.469