Year	Percent of GDP (Units)
1980	9.664
1981	7.065
1982	8.628
1983	9.317
1984	9.660
1985	6.311
1986	7.821
1987	8.662
1988	8.656
1989	5.487
1990	8.158
1991	10.438
1992	13.831
1993	10.768
1994	11.026
1995	11.350
1996	15.690
1997	17.813
1998	18.908
1999	24.990
2000	25.467
2001	26.779
2002	24.757
2003	24.071
2004	23.814
2005	25.821
2006	27.006
2007	34.911
2008	28.925
2009	32.042
2010	34.113
2011	32.507
2012	35.307
2013	33.853
2014	33.989
2015	31.248
2016	31.972
2017	31.709
2018	33.914
2019	35.740
2020	36.265
2021	30.693
2022	32.546
2023	37.077
2024	34.377
2025	34.308
2026	34.096
2027	33.902
2028	33.571
2029	33.499