Year	Percent of GDP (Units)
1997	14.423
1998	13.868
1999	12.400
2000	12.047
2001	12.138
2002	12.461
2003	11.414
2004	12.470
2005	12.571
2006	13.427
2007	14.454
2008	14.380
2009	13.384
2010	13.128
2011	10.308
2012	13.865
2013	14.236
2014	13.645
2015	14.460
2016	14.602
2017	14.835
2018	14.656
2019	14.978
2020	14.951
2021	15.694
2022	15.004
2023	16.022
2024	16.452
2025	16.966
2026	17.539
2027	17.996
2028	18.155
2029	18.539