Year current US$ 1965 1129999.99523163 1967 509999.99046325695 1968 479999.989271164 1969 9999.99977648258 1970 699999.988079071 1971 239999.994635582 1972 850000.023841858 1973 1409999.9666214 1974 1860000.01430511 1975 1960000.03814697 1976 3660000.08583069 1977 2220000.02861023 1978 3240000.00953674 1979 2779999.97138977 1980 6969999.79019165 1981 8260000.22888184 1982 4510000.228881841 1983 3910000.08583069 1984 6619999.88555908 1985 5690000.05722046 1986 4289999.96185303 1987 6210000.03814697 1988 10350000.3814697 1989 9869999.88555908 1990 10960000.038146999 1991 14770000.4577637 1992 16270000.4577637 1993 18139999.3896484 1994 16420000.076293899 1995 19930000.3051758 1996 21340000.1525879 1997 18000000 1998 18899999.6185303 1999 200000.00298023198 2000 2000000 2001 15149999.6185303 2002 14720000.2670288 2003 13529999.7329712 2004 16299999.2370605 2005 15439999.5803833 2006 1950000.04768372 2007 219999.998807907 2008 479999.989271164 2009 639999.985694885 2010 409999.99642372096 2011 239999.994635582 2012 239999.994635582 2013 289999.99165535 2014 119999.997317791 2015 150000.005960464 2016 159999.99642372102 2017 219999.998807907 2018 289999.99165535 2019 319999.99284744303 2020 280000.001192093 2021 289999.99165535 2022 310000.002384186