Year	Percent of GDP (Units)
1990	15.877
1991	18.535
1992	20.752
1993	18.509
1994	18.909
1995	18.564
1996	21.035
1997	18.625
1998	19.287
1999	19.650
2000	20.963
2001	21.675
2002	22.509
2003	22.626
2004	21.498
2005	22.428
2006	23.412
2007	22.827
2008	24.548
2009	25.958
2010	25.591
2011	25.275
2012	27.383
2013	28.495
2014	27.608
2015	27.108
2016	27.462
2017	27.763
2018	27.263
2019	27.208
2020	32.700
2021	31.679
2022	28.841
2023	30.950
2024	29.647
2025	29.623
2026	29.700
2027	30.372
2028	30.963
2029	30.897