Year	Percent of GDP (Units)
1990	18.887
1991	21.736
1992	19.655
1993	20.533
1994	22.432
1995	22.395
1996	20.973
1997	18.081
1998	22.418
1999	22.140
2000	22.997
2001	26.518
2002	29.037
2003	26.846
2004	24.472
2005	24.087
2006	29.311
2007	26.988
2008	26.386
2009	36.209
2010	22.563
2011	23.861
2012	21.077
2013	23.223
2014	23.010
2015	26.704
2016	24.658
2017	23.577
2018	22.301
2019	22.783
2020	25.891
2021	24.009
2022	23.514
2023	22.218
2024	21.543
2025	21.559
2026	21.514
2027	21.568
2028	21.609
2029	21.714