Year	Percent of GDP (Units)
1999	26.251
2000	25.992
2001	27.862
2002	30.924
2003	30.638
2004	30.118
2005	30.310
2006	34.540
2007	31.261
2008	32.689
2009	32.526
2010	31.358
2011	30.549
2012	29.191
2013	32.886
2014	33.892
2015	31.265
2016	30.968
2017	30.553
2018	28.631
2019	26.898
2020	25.695
2021	25.543
2022	24.701
2023	22.737
2024	28.474
2025	27.695
2026	26.570
2027	25.589
2028	24.640
2029	23.209