Year	Percent of GDP (Units)
1990	67.003
1991	49.392
1992	34.390
1993	26.586
1994	18.691
1995	17.557
1996	16.791
1997	17.963
1998	22.138
1999	32.015
2000	33.580
2001	37.097
2002	50.537
2003	37.508
2004	36.045
2005	28.285
2006	20.966
2007	16.812
2008	16.041
2009	14.939
2010	12.976
2011	11.052
2012	12.312
2013	13.495
2014	15.589
2015	18.613
2016	19.390
2017	19.847
2018	22.331
2019	25.768
2020	36.899
2021	37.500
2022	40.534
2023	40.337
2024	43.092
2025	41.658
2026	41.139
2027	40.445
2028	39.538
2029	38.435