Year	Percent of GDP (Units)
1990	80.353
1991	89.223
1992	79.905
1993	82.180
1994	123.453
1995	133.522
1996	146.661
1997	143.013
1998	161.240
1999	159.787
2000	177.837
2001	199.787
2002	195.860
2003	176.975
2004	163.226
2005	144.064
2006	135.071
2007	143.997
2008	192.102
2009	106.125
2010	82.224
2011	82.508
2012	80.069
2013	68.199
2014	70.392
2015	64.573
2016	62.844
2017	56.668
2018	51.272
2019	48.854
2020	77.371
2021	71.248
2022	58.852
2023	56.685
2024	58.341
2025	57.229
2026	54.752
2027	50.805
2028	46.683
2029	42.478