Year	Percent of GDP (Units)
1990	19.967
1991	19.167
1992	22.457
1993	28.166
1994	16.985
1995	12.497
1996	11.077
1997	13.632
1998	15.720
1999	21.007
2000	24.742
2001	30.857
2002	19.381
2003	23.206
2004	18.340
2005	17.812
2006	12.317
2007	18.134
2008	14.379
2009	15.431
2010	16.592
2011	17.297
2012	14.841
2013	14.145
2014	13.366
2015	11.050
2016	9.761
2017	11.991
2018	12.820
2019	12.523
2020	12.095
2021	12.559
2022	14.378
2023	13.842
2024	17.045
2025	17.025
2026	16.917
2027	17.047
2028	16.925
2029	17.199