Year	Percent of GDP (Units)
1980	28.242
1981	29.237
1982	27.702
1983	24.116
1984	22.816
1985	20.167
1986	19.170
1987	17.409
1988	16.713
1989	19.304
1990	22.194
1991	20.180
1992	17.262
1993	16.069
1994	17.173
1995	18.930
1996	20.593
1997	22.229
1998	24.096
1999	24.636
2000	24.508
2001	24.256
2002	24.082
2003	25.744
2004	27.218
2005	30.310
2006	31.893
2007	29.248
2008	24.667
2009	20.304
2010	17.277
2011	17.233
2012	20.011
2013	18.707
2014	22.385
2015	25.909
2016	37.440
2017	34.653
2018	28.676
2019	54.774
2020	43.060
2021	23.610
2022	23.715
2023	26.550
2024	25.724
2025	25.770
2026	25.897
2027	26.101
2028	26.301
2029	26.508