Year	Percent of GDP (Units)
1990	13.059
1991	14.193
1992	17.736
1993	20.457
1994	22.955
1995	24.860
1996	26.896
1997	28.754
1998	29.814
1999	33.788
2000	33.923
2001	34.742
2002	38.643
2003	38.734
2004	44.567
2005	41.614
2006	36.422
2007	29.377
2008	24.853
2009	23.330
2010	21.883
2011	22.090
2012	21.625
2013	20.694
2014	20.768
2015	20.956
2016	21.624
2017	20.770
2018	18.743
2019	17.252
2020	20.410
2021	20.625
2022	17.171
2023	17.847
2024	16.262
2025	15.108
2026	13.851
2027	12.825
2028	11.627
2029	10.662