Year	Percent of GDP (Units)
1990	22.470
1991	19.400
1992	17.953
1993	21.295
1994	19.440
1995	19.217
1996	24.104
1997	20.931
1998	12.377
1999	13.117
2000	15.007
2001	15.848
2002	22.483
2003	22.184
2004	20.805
2005	18.161
2006	21.045
2007	18.277
2008	16.494
2009	16.042
2010	16.871
2011	17.111
2012	23.210
2013	19.448
2014	21.257
2015	23.214
2016	20.967
2017	20.829
2018	22.216
2019	20.473
2020	21.316
2021	23.378
2022	24.993
2023	22.338
2024	24.378
2025	24.200
2026	24.287
2027	24.543
2028	25.070
2029	25.207