Year	Percent of GDP (Units)
1997	12.531
1998	12.308
1999	12.613
2000	13.234
2001	14.163
2002	14.198
2003	12.982
2004	13.734
2005	14.786
2006	15.263
2007	16.602
2008	15.052
2009	13.250
2010	13.078
2011	12.901
2012	13.532
2013	14.073
2014	14.247
2015	16.648
2016	13.871
2017	13.977
2018	14.191
2019	14.396
2020	14.187
2021	15.599
2022	15.265
2023	15.955
2024	15.884
2025	15.269
2026	15.262
2027	15.256
2028	15.258
2029	15.258