Year	Percent of GDP (Units)
1998	37.072
1999	39.303
2000	36.123
2001	34.303
2002	34.225
2003	32.890
2004	33.333
2005	34.345
2006	33.675
2007	32.936
2008	36.352
2009	42.398
2010	42.667
2011	39.886
2012	37.112
2013	37.329
2014	37.798
2015	37.393
2016	36.125
2017	36.478
2018	38.052
2019	37.693
2020	41.388
2021	43.162
2022	40.948
2023	39.799
2024	40.797
2025	40.049
2026	39.519
2027	38.806
2028	38.741
2029	38.694