Year	current US$
1980	8435493.181108834
1981	9193648.108521823
1982	9267802.41869048
1983	8706569.454916513
1984	8636154.869809967
1985	8103908.312381354
1986	12632787.826586276
1987	22463025.85943537
1988	20648090.74787865
1989	25291704.931271974
1990	20958698.314564753
1991	27995211.345427755
1992	27662989.651992757
1993	35448389.184414126
1994	35851463.13466965
1995	29654423.20678822
1996	33086975.56442735
1997	34705949.13775894
1998	33017356.5390667
1999	33690619.250117086
2000	32030302.63133849
2001	32398727.923629943
2002	20744514.705786474
2003	37737443.5191684
2004	46422499.00146725
2005	69682450.15553384
2006	71884226.18273206
2007	91087297.43857814
2008	103860172.99875566
2009	103041051.80333014
2010	161163102.34197998
2011	159790421.97103906
2012	189688850.19217008
2013	200585171.3231815
2014	185957402.6706547
2015	208915347.14756322
2016	219296231.46408984
2017	266526696.41034612
2018	279698032.2552453
2019	330853785.55482244
2020	288942002.5511928
2021	286185619.2878223
2022	382268274.6882514