Year	Percent of GDP (Units)
1996	42.537
1997	39.120
1998	39.708
1999	41.667
2000	38.455
2001	37.315
2002	39.866
2003	42.133
2004	38.906
2005	36.841
2006	35.777
2007	35.529
2008	40.605
2009	41.667
2010	40.155
2011	41.167
2012	40.815
2013	44.066
2014	47.093
2015	50.973
2016	55.003
2017	52.521
2018	52.202
2019	51.859
2020	58.505
2021	56.895
2022	54.169
2023	53.095
2024	55.550
2025	55.408
2026	55.421
2027	55.622
2028	55.800
2029	56.058