Year	Percent of GDP (Units)
2000	19.891
2001	18.846
2002	16.620
2003	16.039
2004	13.569
2005	15.331
2006	14.718
2007	15.108
2008	16.054
2009	20.103
2010	22.402
2011	20.189
2012	24.720
2013	24.240
2014	24.987
2015	25.782
2016	21.085
2017	21.802
2018	20.709
2019	18.621
2020	18.550
2021	15.705
2022	14.727
2023	16.100
2024	17.092
2025	17.007
2026	17.370
2027	18.631
2028	18.706
2029	18.725