Year	Percent of GDP (Units)
2001	15.774
2002	15.266
2003	15.163
2004	15.105
2005	14.760
2006	17.165
2007	20.872
2008	27.749
2009	33.512
2010	35.020
2011	36.493
2012	41.532
2013	42.533
2014	42.025
2015	40.955
2016	39.773
2017	37.854
2018	36.344
2019	35.365
2020	46.353
2021	48.614
2022	38.915
2023	36.420
2024	34.727
2025	33.398
2026	32.338
2027	31.322
2028	30.836
2029	30.344