Year	current US$
1976	94439517.92442594
1977	105791950.36768378
1978	129963371.74635239
1979	154087406.23971564
1980	146662828.5338454
1981	154086446.4129414
1982	143480600.22717762
1983	143342843.96302813
1984	158184588.73419937
1985	185462402.64599937
1986	284412459.55290955
1987	386388892.1890352
1988	435118295.69365346
1989	435941086.837589
1990	547853337.3135622
1991	582680905.589131
1992	661676031.0599203
1993	653904502.0618454
1994	702095202.1748775
1995	821827802.8635968
1996	919756979.9577858
1997	870195554.425937
1998	877039605.8793005
1999	875204988.4601676
2000	920812060.9116542
2001	924627122.3249147
2002	922976039.6502236
2003	1048706070.1987977
2004	1153702459.663552
2005	1096102393.820933
2006	1112272154.5908175
2007	1260568232.5947504
2008	1529583797.581106
2009	1361022284.2445822
2010	1416951442.9386313
2011	1597160170.626647
2012	1592513963.0745745
2013	1686798349.4410899
2014	1768162667.5691228
2015	1561983871.8419018
2016	1559540331.6138315
2017	1623599593.1488643
2018	1668808053.1849687
2019	1518710422.7641144
2020	1233946239.2151377
2021	1343466873.0482676
2022	1526680929.3893378
2023	1613816618.9776378