Year	Percent of GDP (Units)
1983	47.930
1984	50.529
1985	53.042
1986	58.005
1987	49.703
1988	46.747
1989	51.673
1990	46.063
1991	52.103
1992	50.711
1993	60.354
1994	63.647
1995	53.096
1996	59.110
1997	54.745
1998	60.698
1999	56.126
2000	55.409
2001	46.842
2002	56.315
2003	44.628
2004	39.896
2005	38.980
2006	43.551
2007	41.896
2008	26.989
2009	32.117
2010	34.576
2011	36.336
2012	38.601
2013	37.792
2014	32.704
2015	31.116
2016	34.304
2017	32.250
2018	32.674
2019	31.176
2020	45.799
2021	38.663
2022	30.748
2023	32.941
2024	35.324
2025	34.547
2026	33.507
2027	32.840
2028	31.485
2029	30.868
