Year current US$ 1960 1820000.05245209 1961 2819999.9332428 1962 5519999.98092651 1963 4059999.94277954 1964 1549999.95231628 1965 2130000.1144409203 1966 2579999.92370605 1967 5840000.15258789 1968 5519999.98092651 1969 6840000.15258789 1970 5949999.80926514 1971 5070000.17166138 1972 4010000.2288818406 1973 4670000.07629395 1974 6219999.79019165 1975 8710000.03814697 1976 11630000.1144409 1977 9529999.73297119 1978 18219999.3133545 1979 20719999.3133545 1980 14500000 1981 11310000.4196167 1982 12029999.7329712 1983 15060000.4196167 1984 13899999.6185303 1985 21930000.3051758 1986 24059999.4659424 1987 23479999.5422363 1988 25010000.2288818 1989 28520000.4577637 1990 30319999.6948242 1991 21770000.4577637 1992 26159999.8474121 1993 31110000.6103516 1994 32169998.168945298 1995 18829999.9237061 1996 21030000.6866455 1997 13770000.4577637 1998 14520000.4577637 1999 47400001.5258789 2000 16149999.618530298 2001 22489999.7711182 2002 23280000.6866455 2003 12680000.3051758 2004 6699999.80926514 2005 11720000.2670288 2006 7730000.01907349 2007 21280000.6866455 2008 23370000.8392334 2009 26239999.7711182 2010 24200000.762939498 2011 20989999.7711182 2012 26209999.084472697 2013 51270000.4577637 2014 37560001.373291 2015 28270000.4577637 2016 34959999.0844727 2017 34200000.762939505 2018 33830001.8310547 2019 35470001.220703095 2020 69349998.4741211 2021 77250000 2022 20379999.1607666