Year current US$ 1965 279999.8880000448 1966 279999.8880000448 1967 276164.51672590396 1968 239999.8080001536 1969 239999.8080001536 1970 479999.6160003072 1971 481231.9538017324 1998 655369050.7152145 1999 682863979.1937581 2000 1117149544.863459 2001 1708570351.1053317 2002 1739044733.420026 2003 1919331079.323797 2004 2134549024.7074122 2005 2679448114.4343305 2006 4192939921.976593 2007 4525992977.893368 2008 6385645513.654096 2009 5602484525.357607 2010 6528998699.609882 2011 8109752925.877763 2012 8681664499.349804 2013 8461118335.50065 2014 8001040312.093628 2015 7017945383.615085 2016 5945903771.131339 2017 6868920676.202861 2018 8318855656.697009 2019 7070668660.598179 2020 6343099869.960988 2021 8046658257.477243 2022 12035630689.206762