Year	Percent of GDP (Units)
1986	52.470
1987	45.735
1988	42.175
1989	41.451
1990	42.165
1991	45.940
1992	48.218
1993	46.479
1994	42.762
1995	42.593
1996	43.044
1997	42.407
1998	42.628
1999	42.521
2000	42.843
2001	44.124
2002	44.182
2003	45.327
2004	46.018
2005	46.740
2006	45.152
2007	44.550
2008	45.341
2009	50.223
2010	51.899
2011	50.023
2012	48.889
2013	49.921
2014	51.688
2015	48.145
2016	44.837
2017	45.368
2018	43.240
2019	42.442
2020	49.235
2021	47.459
2022	44.101
2023	42.435
2024	43.152
2025	43.074
2026	42.902
2027	42.430
2028	42.348
2029	42.339