Year current LCU 1970 2817.960668522602 1971 2997.0331019024493 1972 3234.9094907839312 1973 3545.2844684427037 1974 4119.017489731525 1975 4882.651408015809 1976 5235.382597284286 1977 5671.113057647709 1978 5875.157497359793 1979 6170.612632057553 1980 6604.7368108622 1981 6927.814224778677 1982 7475.795128451238 1983 7908.952131789785 1984 7703.478409123792 1985 7798.279104273848 1986 8013.842474678599 1987 8283.855944053807 1988 8374.098601755377 1989 8487.184627841394 1990 9004.857959042238 1991 8089.8000403958795 1992 7856.027248494422 1993 7252.630549579503 1994 6691.736422036208 1995 6245.424583171773 1996 5711.773803769937 1997 5508.038212872721 1998 5045.350293919245 1999 5026.726379659058 2000 4941.794352895828 2001 4874.331757213162 2002 4640.102405564679 2003 4907.173240525909 2004 5023.773584905661 2005 4599.922465594107 2006 4490.71303672042 2007 3532.171033408006 2008 4608.073806502001 2009 6928.281051500049 2010 6357.20144517137 2011 7972.332976757755 2012 11297.1945614707 2013 10806.452216195998 2014 12125.740402193784 2015 12525.704067948145 2016 16044.417242283816 2017 17342.92073275124 2018 19012.07648440121 2019 20392.350807781077 2020 22695.899309784814 2021 28239.14954839741 2022 27356.933315044917 2023 30506.444908970265