Year	Percent of GDP (Units)
1999	42.542
2000	49.894
2001	41.428
2002	39.948
2003	32.773
2004	23.951
2005	20.904
2006	19.022
2007	15.987
2008	14.605
2009	22.593
2010	22.506
2011	22.935
2012	22.073
2013	23.524
2014	29.400
2015	32.103
2016	38.101
2017	36.766
2018	33.258
2019	38.008
2020	41.155
2021	42.146
2022	35.919
2023	35.129
2024	32.327
2025	31.384
2026	30.522
2027	30.095
2028	30.136
2029	30.104