Year	Percent of GDP (Units)
1988	37.821
1989	38.618
1990	43.160
1991	44.372
1992	46.834
1993	48.159
1994	46.367
1995	44.409
1996	44.875
1997	46.510
1998	45.162
1999	45.441
2000	44.112
2001	44.149
2002	43.831
2003	43.957
2004	43.401
2005	43.159
2006	44.177
2007	45.443
2008	45.270
2009	45.990
2010	45.688
2011	45.581
2012	47.645
2013	48.097
2014	47.901
2015	47.765
2016	46.674
2017	46.344
2018	46.229
2019	46.969
2020	47.400
2021	47.541
2022	47.702
2023	47.790
2024	46.310
2025	47.110
2026	47.062
2027	46.987
2028	46.980
2029	47.027