Year	Percent of GDP (Units)
1990	26.625
1991	29.113
1992	27.162
1993	24.791
1994	26.895
1995	27.613
1996	29.584
1997	30.712
1998	25.213
1999	27.595
2000	35.265
2001	32.241
2002	32.709
2003	34.243
2004	33.445
2005	39.275
2006	40.707
2007	37.736
2008	45.092
2009	33.585
2010	33.742
2011	36.662
2012	35.995
2013	32.678
2014	29.802
2015	27.039
2016	25.332
2017	28.702
2018	30.096
2019	28.591
2020	26.987
2021	26.225
2022	29.559
2023	31.066
2024	27.789
2025	26.831
2026	26.449
2027	25.692
2028	25.446
2029	25.185