Year	Percent of GDP (Units)
1993	42.620
1994	36.183
1995	25.332
1996	24.017
1997	27.432
1998	27.324
1999	24.326
2000	26.891
2001	25.035
2002	22.642
2003	24.667
2004	28.336
2005	28.134
2006	31.819
2007	33.705
2008	37.223
2009	36.864
2010	40.656
2011	37.218
2012	35.094
2013	38.798
2014	34.841
2015	29.035
2016	26.478
2017	28.030
2018	28.079
2019	29.150
2020	27.455
2021	24.751
2022	21.976
2023	24.290
2024	23.559
2025	23.986
2026	24.415
2027	24.464
2028	24.554
2029	24.905