Year	Percent of GDP (Units)
1998	39.683
1999	34.287
2000	30.651
2001	31.464
2002	33.818
2003	32.599
2004	29.628
2005	29.458
2006	29.040
2007	31.942
2008	32.010
2009	38.596
2010	35.505
2011	33.261
2012	34.029
2013	34.652
2014	34.938
2015	35.273
2016	36.586
2017	34.830
2018	32.621
2019	33.752
2020	39.153
2021	34.670
2022	35.521
2023	36.824
2024	37.525
2025	37.096
2026	36.783
2027	36.502
2028	36.856
2029	36.932