Year current US$ 1969 50000.0007450581 1970 -29999.999329447703 1971 1379999.99523163 1972 140000.000596046 1973 819999.992847443 1974 4929999.82833862 1975 3250000 1976 2490000.00953674 1977 879999.995231628 1978 3109999.89509583 1979 2390000.10490417 1980 4550000.19073486 1981 2680000.0667572 1982 6239999.771118159 1983 2640000.10490417 1984 4000000 1985 15079999.923706101 1986 5489999.771118159 1987 5360000.1335144 1988 6829999.92370605 1989 10949999.8092651 1990 8770000.45776367 1991 10189999.5803833 1992 14569999.6948242 1993 6090000.15258789 1994 7119999.88555908 1995 8069999.694824221 1996 4769999.98092651 1997 8090000.152587891 1998 5679999.82833862 1999 2029999.97138977 2000 3009999.99046326 2001 5909999.84741211 2002 4019999.98092651 2003 1870000.00476837 2004 5559999.94277954 2005 15800000.1907349 2006 7320000.17166138 2007 1669999.95708466 2008 6800000.19073486 2009 2700000.04768372 2010 36349998.4741211 2011 2910000.08583069 2012 28154294.9676514 2013 15651349.067688001 2014 24881830.2154541 2015 15900892.2576904 2016 10736295.7000732 2017 6099740.02838135 2019 2309139.96696472 2020 4929742.33627319 2021 8194490.43273926 2022 11571639.0609741