Year	Percent of GDP (Units)
1980	48.759
1981	49.030
1982	47.635
1983	49.553
1984	51.355
1985	52.326
1986	54.014
1987	54.549
1988	55.359
1989	54.533
1990	53.415
1991	52.447
1992	53.770
1993	55.622
1994	55.690
1995	54.906
1996	55.516
1997	54.707
1998	55.007
1999	55.402
2000	54.574
2001	53.978
2002	53.199
2003	53.506
2004	55.071
2005	56.197
2006	54.817
2007	54.612
2008	53.585
2009	53.738
2010	53.963
2011	54.374
2012	54.464
2013	54.585
2014	56.362
2015	53.198
2016	52.373
2017	52.336
2018	51.309
2019	53.799
2020	53.857
2021	53.862
2022	48.318
2023	49.543
2024	49.193
2025	49.224
2026	49.141
2027	49.281
2028	49.341
2029	49.341