Year	Percent of GDP (Units)
1988	65.317
1989	51.903
1990	49.529
1991	50.042
1992	49.451
1993	59.621
1994	54.837
1995	51.099
1996	47.982
1997	46.531
1998	43.402
1999	43.372
2000	40.587
2001	37.212
2002	37.232
2003	31.807
2004	25.089
2005	20.660
2006	17.467
2007	16.881
2008	14.245
2009	18.652
2010	20.871
2011	29.427
2012	23.970
2013	21.802
2014	23.466
2015	26.211
2016	34.530
2017	39.788
2018	40.524
2019	45.255
2020	60.556
2021	60.044
2022	50.704
2023	54.339
2024	56.028
2025	56.209
2026	56.280
2027	54.945
2028	52.567
2029	49.812