Year	Percent of GDP (Units)
1999	18.774
2000	20.042
2001	19.079
2002	21.317
2003	19.986
2004	19.300
2005	19.822
2006	25.585
2007	23.204
2008	23.993
2009	23.899
2010	28.368
2011	32.605
2012	29.045
2013	34.364
2014	31.536
2015	37.427
2016	37.197
2017	39.649
2018	39.702
2019	38.557
2020	38.825
2021	49.288
2022	45.948
2023	47.351
2024	48.375
2025	45.973
2026	45.388
2027	45.019
2028	44.625
2029	44.172