Year	Percent of GDP (Units)
2000	16.119
2001	15.463
2002	15.369
2003	13.724
2004	12.953
2005	15.456
2006	40.718
2007	17.336
2008	17.912
2009	14.661
2010	14.254
2011	15.588
2012	15.756
2013	15.653
2014	15.975
2015	15.823
2016	14.303
2017	14.503
2018	15.545
2019	15.421
2020	13.392
2021	13.956
2022	15.946
2023	15.975
2024	15.967
2025	15.532
2026	15.624
2027	15.742
2028	15.769
2029	15.558
