Year	Percent of GDP (Units)
1998	67.322
1999	78.671
2000	73.341
2001	67.060
2002	53.404
2003	45.428
2004	37.764
2005	28.472
2006	22.608
2007	17.588
2008	14.702
2009	14.540
2010	14.064
2011	14.335
2012	16.545
2013	17.165
2014	26.266
2015	25.359
2016	27.007
2017	22.919
2018	20.075
2019	18.315
2020	23.199
2021	22.462
2022	21.528
2023	22.049
2024	23.425
2025	24.891
2026	26.878
2027	28.277
2028	29.610
2029	30.832