Year	Percent of GDP (Units)
1990	36.509
1991	37.448
1992	40.141
1993	40.055
1994	39.745
1995	38.245
1996	33.483
1997	32.088
1998	36.129
1999	34.172
2000	31.222
2001	33.279
2002	34.138
2003	33.957
2004	34.077
2005	30.627
2006	30.055
2007	30.723
2008	25.587
2009	33.371
2010	30.585
2011	34.495
2012	38.629
2013	39.293
2014	41.415
2015	44.541
2016	44.614
2017	39.428
2018	38.321
2019	38.779
2020	44.538
2021	36.134
2022	29.618
2023	26.220
2024	27.299
2025	26.682
2026	25.544
2027	24.809
2028	24.034
2029	23.902