Year current LCU 1960 438.754745467873 1961 456.57497573514513 1962 473.14425915914666 1963 487.69395723331513 1964 508.06213889871475 1965 546.5575459280032 1966 587.6256223279229 1967 616.6357002450386 1968 653.1678641410842 1969 668.6698548393923 1970 735.2880360613705 1971 788.8472755928541 1972 845.2348585411103 1973 1006.5024630541872 1974 1372.259368682942 1975 1633.779558260258 1976 1619.0783016535427 1977 1727.8221217038838 1978 1962.096838044237 1979 2140.696501977817 1980 2727.680436978496 1981 2636.2541294264743 1982 2391.017944937635 1983 2462.024901219457 1984 2684.4553818220525 1985 2602.165283841993 1986 2770.942461436321 1987 3287.899854778337 1988 3662.03927844546 1989 4131.44061898766 1990 5977.209640484093 1991 6381.736729688194 1992 7289.845645490413 1993 7725.104057923595 1994 7757.937963481726 1995 8022.280062772063 1996 8084.3049644457205 1997 8022.044475351907 1998 8239.412344122104 1999 8566.954137958819 2000 9440.336436034917 2001 9416.58987459484 2002 9688.45714894487 2003 9874.179810125343 2004 10247.192428563287 2005 10472.730851175533 2006 10973.662868783496 2007 11435.859239664404 2008 11331.932463771178 2009 10704.191974655108 2010 10798.12419166529 2011 11038.678016966602 2012 11271.04305100469 2013 11730.941803489764 2014 12063.096804218883 2015 12197.20015917951 2016 12199.914203829949 2017 12098.783895553 2018 12002.048523681851 2019 12268.430466114267 2020 10370.31613952041 2021 12121.936446816897 2022 13968.43391936327 2023 15975.171910180734