Year current US$ 1974 9999.99977648258 1975 9999.99977648258 1976 49999.998882412896 1977 9999.99977648258 1978 89999.9979883432 1979 209999.995306134 1980 129999.998956919 1981 99999.99776482579 1982 99999.99776482579 1983 129999.998956919 1984 59999.9986588955 1985 19999.9995529652 1986 199999.993667006 1987 220000.000670552 1988 59999.9986588955 1989 69999.9984353781 1990 219999.995082617 1991 249999.99627471 1992 329999.99448657 1993 439999.993890524 1994 1010000.0090897101 1995 2430000.00528991 1996 2769999.99769032 1997 3379999.98219311 1998 3089999.94583428 1999 5400000.00409782 2000 5529999.91923571 2001 6870000.0140816 2002 8819999.90530312 2003 11190000.012517 2004 14129999.9821931 2005 14030000.168830201 2006 19369999.811053302 2007 26510000.383481402 2008 25550000.3192574 2009 23349999.9754131 2010 20920000.1582503 2011 16899999.9184161 2012 13330000.001937201 2013 11589999.8918176 2014 12090000.0110269 2015 9410000.09514391 2016 11320000.1716614 2017 9860000.07204711 2018 9940000.04790723 2019 12679999.8879433 2020 13070000.0282377 2021 15600000.0294298 2022 13200000.029057259