Year	Percent of GDP (Units)
2001	20.159
2002	20.087
2003	23.114
2004	23.715
2005	24.449
2006	24.430
2007	28.971
2008	33.166
2009	32.880
2010	36.533
2011	39.853
2012	39.172
2013	38.261
2014	37.260
2015	31.753
2016	30.235
2017	31.921
2018	31.382
2019	32.894
2020	27.910
2021	24.524
2022	21.176
2023	19.674
2024	26.358
2025	33.061
2026	32.919
2027	33.769
2028	33.769
2029	33.769