Year	Percent of GDP (Units)
1989	17.019
1990	16.410
1991	21.606
1992	27.625
1993	30.666
1994	31.709
1995	31.154
1996	29.339
1997	25.907
1998	23.698
1999	22.539
2000	19.497
2001	17.111
2002	15.011
2003	13.182
2004	11.904
2005	10.859
2006	9.939
2007	9.666
2008	11.740
2009	16.620
2010	20.347
2011	24.041
2012	27.520
2013	30.461
2014	34.021
2015	37.708
2016	40.582
2017	41.151
2018	41.702
2019	46.656
2020	57.004
2021	55.484
2022	50.108
2023	49.381
2024	49.634
2025	49.260
2026	48.779
2027	47.515
2028	45.679
2029	43.771