Year	current US$
1980	11017223.856569592
1981	23144680.429300427
1982	26802248.88600485
1983	25953887.79134593
1984	25099018.998374667
1985	20791163.329494152
1986	32050540.367880285
1987	40255835.9202344
1988	59735638.14288927
1989	62481096.71278244
1990	89795829.44593303
1991	84579816.49017225
1992	107955992.89326227
1993	128057005.5232689
1994	79429645.16001424
1995	62478128.47812848
1996	60634841.74731886
1997	62514906.46677047
1998	64440432.52693791
1999	57147178.28731867
2000	109834039.13706023
2001	109470269.26994292
2002	126916005.79777531
2003	170569296.6322805
2004	164437527.27272728
2005	159058527.27272728
2006	151319620.73246115
2007	136744619.50795844
2008	137321183.35121557
2009	130067781.3421661
2010	163132021.9656395
2011	184726192.45310086
2012	191876382.94163227
2013	219578915.11723867
2014	236758036.1641803
2015	236311808.8767963
2016	249581995.5632194
2017	281800148.3311427
2018	288416393.881239
2019	274864040.76033705
2020	199911276.45592186
2021	208334003.62388328
2022	305124518.3581772
2023	368358012.00318646