Year	Percent of GDP (Units)
1996	33.197
1997	35.186
1998	34.339
1999	51.772
2000	40.568
2001	34.287
2002	31.223
2003	34.400
2004	29.803
2005	26.527
2006	30.604
2007	38.129
2008	52.666
2009	45.007
2010	39.394
2011	37.402
2012	37.209
2013	37.050
2014	36.457
2015	27.051
2016	22.043
2017	24.103
2018	20.579
2019	20.403
2020	23.277
2021	19.477
2022	22.547
2023	20.120
2024	18.108
2025	16.962
2026	16.792
2027	15.880
2028	16.443
2029	15.732