Year	Percent of GDP (Units)
1980	15.060
1981	12.194
1982	11.815
1983	13.092
1984	13.608
1985	19.437
1986	20.164
1987	12.771
1988	14.498
1989	16.012
1990	17.711
1991	20.745
1992	21.489
1993	19.619
1994	18.377
1995	24.087
1996	24.430
1997	24.832
1998	25.243
1999	25.248
2000	24.123
2001	23.914
2002	23.169
2003	23.355
2004	24.122
2005	26.428
2006	27.444
2007	27.233
2008	23.999
2009	23.997
2010	24.686
2011	24.807
2012	24.116
2013	25.114
2014	26.894
2015	27.115
2016	26.642
2017	26.620
2018	26.948
2019	26.907
2020	29.019
2021	29.166
2022	30.826
2023	30.370
2024	28.379
2025	29.675
2026	29.868
2027	29.878
2028	29.815
2029	29.743