Year	Percent of GDP (Units)
1991	31.665
1992	33.044
1993	28.405
1994	25.483
1995	27.290
1996	30.096
1997	33.092
1998	25.656
1999	24.324
2000	36.317
2001	33.033
2002	29.957
2003	34.315
2004	40.812
2005	46.138
2006	48.092
2007	41.237
2008	56.482
2009	31.682
2010	37.403
2011	44.043
2012	44.808
2013	40.772
2014	36.182
2015	24.405
2016	20.799
2017	23.180
2018	28.526
2019	29.474
2020	28.388
2021	29.453
2022	30.742
2023	30.282
2024	28.499
2025	29.673
2026	29.438
2027	28.391
2028	27.364
2029	26.528