Year	Percent of GDP (Units)
1999	4.727
2000	3.120
2001	2.690
2002	3.427
2003	3.332
2004	4.080
2005	4.482
2006	5.052
2007	8.892
2008	8.949
2009	21.136
2010	18.799
2011	20.862
2012	20.657
2013	15.611
2014	13.819
2015	16.104
2016	19.267
2017	21.864
2018	21.329
2019	26.801
2020	41.086
2021	35.885
2022	31.082
2023	30.858
2024	30.271
2025	30.319
2026	30.096
2027	29.746
2028	29.301
2029	28.796