Year	Percent of GDP (Units)
1990	20.991
1991	21.249
1992	20.933
1993	21.218
1994	20.621
1995	19.451
1996	20.635
1997	20.582
1998	21.905
1999	23.692
2000	22.870
2001	23.181
2002	23.202
2003	22.218
2004	20.816
2005	20.249
2006	18.730
2007	19.307
2008	21.791
2009	24.976
2010	23.466
2011	22.886
2012	23.089
2013	23.113
2014	23.853
2015	25.028
2016	25.367
2017	25.493
2018	25.616
2019	26.497
2020	29.088
2021	33.595
2022	26.646
2023	26.858
2024	27.672
2025	27.148
2026	26.233
2027	26.052
2028	25.978
2029	25.982