Year	Percent of GDP (Units)
1990	22.587
1991	20.798
1992	22.281
1993	23.110
1994	21.739
1995	21.271
1996	17.589
1997	18.598
1998	18.749
1999	18.432
2000	22.754
2001	23.702
2002	25.814
2003	24.100
2004	24.478
2005	28.636
2006	25.979
2007	26.430
2008	28.255
2009	28.106
2010	28.709
2011	31.231
2012	32.541
2013	30.431
2014	30.677
2015	28.413
2016	28.551
2017	27.811
2018	27.674
2019	27.362
2020	34.145
2021	31.279
2022	34.074
2023	32.969
2024	32.486
2025	31.249
2026	30.109
2027	29.711
2028	29.536
2029	29.320