Year current LCU 1960 476.6214222144138 1961 516.0318633531812 1962 545.1198665205482 1963 586.0730077104147 1964 610.42965533351 1965 650.4760574901035 1966 687.7890677412619 1967 743.582215730027 1968 776.9504033848721 1969 828.5852784835461 1970 891.0546713204432 1971 977.451458303401 1972 1044.1555402752697 1973 1162.2838853866804 1974 1294.3388325143314 1975 1403.7338115231291 1976 1454.7791867173082 1977 1501.9432892373952 1978 1737.5547645199279 1979 1937.715489059082 1980 2357.7501536801215 1981 2607.1800496432516 1982 2814.1818522353647 1983 2822.8538112241176 1984 2879.238835208237 1985 2977.388971195663 1986 3025.3472246946985 1987 2972.1283144794756 1988 2514.1539325187055 1989 2467.5353080109317 1990 2626.143280238762 1991 2827.558388261757 1992 3148.4475305572932 1993 3368.2027874219702 1994 3518.953402081999 1995 3524.881271338299 1996 3561.2904575902926 1997 3775.571536270258 1998 4012.0541651344092 1999 4121.562219685232 2000 4099.006539893148 2001 4084.2585357056987 2002 4163.521959378274 2003 4304.106979866784 2004 4629.029316029206 2005 4953.129979781407 2006 5385.564243375459 2007 6205.821575503539 2008 7197.110786101011 2009 7618.438459007743 2010 8124.558307348707 2011 9403.43990821634 2012 10767.293178817225 2013 11932.286220586588 2014 12837.247958428232 2015 13669.559442409705 2016 14382.232381996932 2017 15185.972481380291 2018 16156.074285968089 2019 16472.83174704881 2020 13293.333195168774 2021 15491.289801338324 2022 17357.62862939848 2023 18661.767329060513