Year	Percent of GDP (Units)
1981	17.120
1982	16.663
1983	15.483
1984	13.342
1985	14.511
1986	12.696
1987	11.767
1988	11.681
1989	12.976
1990	13.839
1991	12.809
1992	13.544
1993	15.313
1994	15.373
1995	16.064
1996	14.370
1997	14.135
1998	18.548
1999	17.077
2000	17.457
2001	18.243
2002	18.507
2003	19.561
2004	18.209
2005	16.200
2006	14.840
2007	13.931
2008	18.630
2009	17.079
2010	16.593
2011	18.625
2012	18.294
2013	20.035
2014	17.253
2015	18.035
2016	18.251
2017	17.361
2018	18.392
2019	20.950
2020	29.907
2021	23.709
2022	28.202
2023	23.861
2024	24.094
2025	23.144
2026	22.777
2027	21.367
2028	20.230
2029	20.230