Year	Percent of GDP (Units)
1998	31.688
1999	36.307
2000	36.525
2001	35.897
2002	34.460
2003	35.767
2004	36.204
2005	36.220
2006	35.722
2007	36.200
2008	36.184
2009	32.916
2010	30.785
2011	30.120
2012	32.085
2013	33.718
2014	33.429
2015	34.555
2016	34.264
2017	32.852
2018	34.449
2019	34.911
2020	34.880
2021	35.793
2022	36.887
2023	34.684
2024	36.308
2025	36.241
2026	35.634
2027	35.662
2028	35.614
2029	35.585