Year	Percent of GDP (Units)
1997	15.333
1998	18.001
1999	18.382
2000	29.479
2001	44.838
2002	41.633
2003	31.412
2004	26.877
2005	21.012
2006	13.539
2007	9.555
2008	8.333
2009	7.301
2010	6.610
2011	6.331
2012	6.757
2013	6.228
2014	6.087
2015	10.022
2016	8.190
2017	19.383
2018	19.379
2019	28.326
2020	37.149
2021	35.253
2022	33.898
2023	36.340
2024	36.015
2025	34.976
2026	33.920
2027	32.777
2028	32.053
2029	31.748