Year	Percent of GDP (Units)
1990	25.296
1991	23.639
1992	21.600
1993	22.569
1994	22.878
1995	24.202
1996	22.691
1997	21.811
1998	22.725
1999	25.171
2000	25.574
2001	23.677
2002	24.134
2003	26.336
2004	26.808
2005	26.022
2006	26.062
2007	27.550
2008	27.289
2009	27.541
2010	26.842
2011	25.575
2012	25.729
2013	27.147
2014	26.246
2015	26.990
2016	27.959
2017	29.079
2018	30.627
2019	30.633
2020	29.525
2021	31.015
2022	30.080
2023	31.142
2024	31.245
2025	31.244
2026	31.254
2027	31.296
2028	31.296
2029	31.296