Year	Percent of GDP (Units)
1998	21.779
1999	28.117
2000	23.518
2001	22.923
2002	22.167
2003	20.389
2004	18.686
2005	17.645
2006	17.261
2007	15.889
2008	14.581
2009	27.990
2010	36.209
2011	37.134
2012	39.701
2013	38.671
2014	40.526
2015	42.681
2016	39.896
2017	39.338
2018	33.663
2019	35.792
2020	46.238
2021	43.442
2022	37.811
2023	35.633
2024	36.172
2025	35.684
2026	34.958
2027	34.240
2028	33.512
2029	32.700