Year	Percent of GDP (Units)
1997	62.816
1998	64.020
1999	57.730
2000	64.462
2001	66.758
2002	60.339
2003	63.447
2004	52.926
2005	63.183
2006	61.591
2007	67.785
2008	68.266
2009	64.831
2010	63.023
2011	58.136
2012	52.568
2013	54.937
2014	52.563
2015	59.250
2016	60.908
2017	68.326
2018	63.173
2019	63.954
2020	70.645
2021	70.276
2022	66.992
2023	62.007
2024	67.610
2025	65.676
2026	66.715
2027	69.259
2028	67.788
2029	66.765