Year	Percent of GDP (Units)
1990	22.672
1991	26.641
1992	24.429
1993	21.152
1994	19.758
1995	20.244
1996	21.390
1997	21.110
1998	30.345
1999	19.613
2000	24.362
2001	21.838
2002	22.199
2003	19.177
2004	20.813
2005	22.205
2006	22.209
2007	22.582
2008	20.499
2009	24.021
2010	21.027
2011	21.049
2012	26.652
2013	26.871
2014	27.199
2015	29.144
2016	27.063
2017	27.199
2018	26.152
2019	40.502
2020	30.204
2021	32.051
2022	29.537
2023	26.417
2024	25.772
2025	25.360
2026	25.470
2027	25.567
2028	25.484
2029	25.374