Year	Percent of GDP (Units)
1998	36.432
1999	35.860
2000	33.622
2001	32.318
2002	31.720
2003	31.298
2004	32.341
2005	33.325
2006	33.219
2007	33.529
2008	33.223
2009	35.457
2010	36.240
2011	36.612
2012	37.287
2013	36.768
2014	36.116
2015	35.873
2016	35.628
2017	35.656
2018	37.313
2019	37.313
2020	37.654
2021	37.630
2022	37.238
2023	37.149
2024	37.825
2025	37.557
2026	37.623
2027	37.606
2028	37.513
2029	37.526