Year	Percent of GDP (Units)
1980	46.405
1981	48.957
1982	50.237
1983	50.744
1984	51.674
1985	52.312
1986	51.901
1987	51.319
1988	50.644
1989	49.473
1990	50.132
1991	51.272
1992	52.591
1993	55.204
1994	54.625
1995	54.809
1996	54.881
1997	54.531
1998	52.924
1999	52.630
2000	51.652
2001	51.718
2002	52.795
2003	53.271
2004	52.985
2005	53.294
2006	52.876
2007	52.566
2008	53.296
2009	57.152
2010	56.882
2011	56.291
2012	57.107
2013	57.228
2014	57.214
2015	56.798
2016	56.686
2017	56.503
2018	55.645
2019	55.352
2020	61.347
2021	59.118
2022	58.330
2023	57.344
2024	56.927
2025	56.766
2026	56.264
2027	56.092
2028	55.956
2029	55.730