Year	Percent of GDP (Units)
2004	18.975
2005	19.330
2006	19.655
2007	20.653
2008	22.032
2009	24.837
2010	24.363
2011	25.376
2012	30.576
2013	30.160
2014	23.732
2015	26.293
2016	23.436
2017	25.566
2018	24.507
2019	22.449
2020	59.178
2021	37.088
2022	22.213
2023	23.080
2024	21.895
2025	21.540
2026	21.359
2027	21.207
2028	20.392
2029	20.334