Year constant 2015 US$ 1967 2003673126.7371514 1968 2077977545.2733395 1969 2082777661.3407772 1970 2210596786.30472 1971 2267386929.8417954 1972 2399893394.575078 1973 2364972166.5611467 1974 2328815854.7646437 1975 2599541842.2018056 1976 2953688827.231073 1977 3141208110.078681 1978 3095237272.8490767 1979 3417008148.6365123 1980 3269193847.815887 1981 3318519585.064178 1982 3073664839.359889 1983 3129632396.2686625 1984 3120650002.1434274 1985 3753724875.8556194 1986 3854798455.6761613 1987 3849433952.809931 1988 4133896383.708089 1989 4306585279.697785 1990 4198817500.531541 1991 4691977172.880848 1992 4540958263.56354 1993 4685005096.544924 1994 4862095199.480811 1995 4906876185.265118 1996 5253094838.943424 1997 5506768067.285038 1998 5923722243.040163 1999 6261430310.346687 2000 6257621170.982289 2001 7219807986.601862 2002 7444077477.872336 2003 8122906029.243992 2004 8249623254.496706 2005 8788717883.933584 2006 9198464335.826145 2007 9519823432.357828 2008 9974218416.280212 2009 10453611496.978971 2010 11009109646.242226 2011 11362847067.211653 2012 11267770190.672415 2013 11526373211.266489 2014 12342980316.178879 2015 13104764378.325953 2016 13871694399.123833 2017 14607651053.628979 2018 15301000921.468206 2019 16028741130.48213 2020 15830713976.524773 2021 16313964499.508436 2022 16880866888.027025 2023 17764846569.98078