Year	current US$
1990	-2674141757.254
1991	-2288958038.30181
1992	-2553626935.76005
1993	-3083250095.07742
1994	-2707171878.70401
1995	-3195372073.56638
1996	-3203266945.93138
1997	-2715840728.00444
1998	-2302645158.96666
1999	-2341509675.04092
2000	-2043274637.75195
2001	-1974363776.56513
2002	-1015638633.20378
2003	-1063367747.38623
2004	-1668351885.56996
2005	-947288978.278721
2006	1036408005.49143
2007	612296240.662781
2008	6036549223.36861
2009	-4849552304.99373
2010	1756294383.83798
2011	-2955014051.79699
2012	-1271233588.77849
2013	-2307943469.93784
2014	-4897157844.17173
2015	-6164908625.05622
2016	-6721608379.60978
2017	-5886280395.61717
2018	2337928020.55307
2019	-1210080812.74766
2020	-6130247053.59555
2021	-8390790192.96985