Year current LCU 1966 57.780616123832985 1967 57.60003830571223 1968 58.33207414123098 1969 60.34968807855784 1970 61.75004714303441 1971 66.23397576515809 1972 75.55306851177771 1973 100.20860649277802 1974 138.3395342228696 1975 152.55776283115986 1976 198.0934007599019 1977 241.10905530212023 1978 290.261588491098 1979 309.8800000292202 1980 384.39352349126784 1981 439.2397656374676 1982 507.0340009634513 1983 560.0725594658933 1984 624.1048722181296 1985 691.5272929930593 1986 809.0516106526537 1987 885.5499226281814 1988 1062.292463718462 1989 1209.7061215296778 1990 1376.7359812162 1991 1629.513765715282 1992 1859.5532865897196 1993 2023.6106706097871 1994 2244.051946937207 1995 2511.371200452515 1996 2785.4785284420527 1997 3087.4236722585 1998 3318.8869678728106 1999 3661.3272304328007 2000 3925.514827656945 2001 5142.651988799049 2002 5927.444338869826 2003 6281.219449782492 2004 6744.279343441874 2005 7021.739545995194 2006 7684.76456661844 2007 8328.05222174326 2008 9907.420399054843 2009 9671.047632130498 2010 10393.391264453736 2011 11005.950746855366 2012 11560.989537250367 2013 12649.856046875053 2014 14086.793363248733 2015 15894.174709620533 2016 16471.089831855632 2017 16082.387588413801 2018 18320.08924407773 2019 18331.958591042287 2020 17885.773390710263 2021 17766.00812464332 2022 19126.13802001453 2023 18953.95870515127