Year	current US$
1991	90602686.23291562
1992	95537387.25305393
1993	95936889.84419358
1994	76034908.64894977
1995	64381811.94118869
1996	71167729.19351113
1997	67994215.65262409
1998	74234333.59029043
1999	59914135.07689021
2000	64972625.632311314
2001	60476814.78272123
2002	55480218.994941466
2003	60308010.87097191
2004	70363097.21417278
2005	76051789.04012467
2006	80660135.83088103
2007	99082269.39978984
2008	120531619.78606875
2009	114094563.9513624
2010	103808778.92876989
2011	143016300.8310777
2012	142324204.7929061
2013	610271410.1501056
2014	506724368.3781296
2015	508619596.99574673
2016	489387652.87099314
2017	693318650.4374944
2018	556439587.8933856
2019	594352946.4722798
2020	483872186.5170692
2021	580094417.6546385
2022	734080445.6016506