Year	Percent of GDP (Units)
1989	17.080
1990	18.122
1991	17.226
1992	18.402
1993	16.378
1994	18.531
1995	20.196
1996	18.151
1997	17.349
1998	14.884
1999	10.746
2000	15.641
2001	15.447
2002	15.284
2003	13.686
2004	13.360
2005	14.139
2006	13.006
2007	15.809
2008	14.549
2009	16.997
2010	14.076
2011	14.728
2012	14.236
2013	14.894
2014	14.225
2015	18.153
2016	15.428
2017	17.785
2018	16.568
2019	14.601
2020	19.071
2021	19.855
2022	19.864
2023	19.327
2024	18.914
2025	18.631
2026	18.910
2027	19.410
2028	19.810
2029	20.210