Year	Percent of GDP (Units)
1990	38.357
1991	38.284
1992	41.532
1993	33.453
1994	33.102
1995	34.393
1996	33.456
1997	33.519
1998	34.726
1999	35.113
2000	35.037
2001	33.164
2002	32.082
2003	31.816
2004	33.655
2005	32.301
2006	33.857
2007	34.565
2008	35.271
2009	36.313
2010	37.432
2011	34.980
2012	33.467
2013	34.169
2014	33.755
2015	34.163
2016	31.813
2017	31.019
2018	31.729
2019	33.310
2020	38.183
2021	37.142
2022	36.821
2023	37.149
2024	36.884
2025	38.109
2026	38.433
2027	37.635
2028	37.256
2029	37.177