Year current US$ 1969 819999.992847443 1970 1029999.97138977 1971 680000.007152557 1972 13640000.3433228 1973 8819999.69482422 1974 2680000.0667572 1975 2059999.94277954 1976 1500000 1977 1559999.9427795399 1978 3329999.92370605 1979 4309999.94277954 1980 14949999.8092651 1981 18700000.762939498 1982 24879999.1607666 1983 29920000.0762939 1984 47250000 1985 99139999.3896484 1986 58139999.3896484 1987 42400001.5258789 1988 37020000.4577637 1989 29239999.7711182 1990 31389999.3896484 1991 39319999.6948242 1992 12930000.3051758 1993 15819999.6948242 1994 14880000.1144409 1995 9770000.45776367 1996 11590000.1525879 1997 10270000.4577637 1998 9500000 1999 9090000.15258789 2000 8149999.61853027 2001 7530000.20980835 2002 14430000.3051758 2003 12279999.7329712 2004 10859999.6566772 2005 730000.019073486 2006 379999.99523162795 2007 1210000.03814697 2008 1139999.98569489 2009 4139999.8664856004 2012 4628600.12054443 2013 3181123.01826477 2017 3467869.9970245403 2022 20822299.9572754