Year current LCU 1960 374.16166607836215 1961 380.4647358970256 1962 388.0586239260703 1963 404.47868213491205 1964 431.88433010984886 1965 447.93909566287294 1966 489.31594420219795 1967 598.753780267511 1968 611.236707694884 1969 687.1139048444782 1970 724.959971535314 1971 868.0438732252204 1972 992.885446685879 1973 1071.3801365218571 1974 1468.5854367169059 1975 1649.6536638716734 1976 1799.2684042066758 1977 2755.315001261381 1978 3070.7465777062002 1979 3670.918249456999 1980 4288.929623871732 1981 5084.627383419086 1982 5427.396363976259 1983 5506.103286384977 1984 6281.972628598396 1985 7111.807137433561 1986 8423.45245768579 1987 9585.505923060287 1988 11284.092834152127 1989 12680.523028883683 1990 14435.475932670539 1991 14687.484583888314 1992 15984.596577017115 1993 17181.943204574516 1994 18974.072045903667 1995 19892.126909518214 1996 20921.4098429125 1997 23147.333699835075 1998 23372.371693420755 1999 24466.4807585053 2000 25020.127141945843 2001 26901.66572435089 2002 28047.94224450977 2003 27295.987594495058 2004 29382.352941176472 2005 31620.11771000535 2006 37119.08520715109 2007 39584.600659364034 2008 44528.08974467724 2009 44210.49359218374 2010 44354.57671455393 2011 47444.35804207562 2012 46693.276342531484 2013 49452.96962338016 2014 53792.71380443198 2015 54080.351537978655 2016 56884.78279065874 2017 59722.507062885845 2018 60858.85973911769 2019 62693.03319919517 2020 50094.24457411528 2021 48697.223039112716 2022 55602.7446125438 2023 60893.92524343001