Year	Percent of GDP (Units)
1990	41.285
1991	37.564
1992	35.290
1993	33.219
1994	32.280
1995	34.346
1996	35.701
1997	36.861
1998	31.759
1999	34.475
2000	43.382
2001	40.824
2002	39.451
2003	39.876
2004	39.507
2005	41.836
2006	42.282
2007	41.212
2008	40.242
2009	33.101
2010	35.531
2011	42.734
2012	42.702
2013	42.071
2014	39.838
2015	31.069
2016	24.996
2017	28.969
2018	31.602
2019	33.949
2020	28.865
2021	32.999
2022	39.698
2023	32.114
2024	30.958
2025	30.322
2026	29.436
2027	28.365
2028	27.527
2029	27.377