Year current LCU 1960 499.1412213740458 1961 525.8522727272727 1962 544.9201877934272 1963 576.2348555452004 1964 624.3888888888889 1965 669.13164317763 1966 709.5528697036515 1967 745.4917406212917 1968 813.2334269729062 1969 875.279009050039 1970 978.2217172012055 1971 1088.8034420501006 1972 1213.3851786535567 1973 1398.6059532096426 1974 1568.2561048312061 1975 1943.4850193327618 1976 2302.8903738079407 1977 2683.8695128610266 1978 3116.973255133451 1979 3685.4086544175525 1980 4316.796313030443 1981 4776.614776176496 1982 5235.2146791574 1983 5733.794960979072 1984 6149.118380480603 1985 6741.8071298972445 1986 7238.900749727477 1987 8027.263100539505 1988 8987.985893209192 1989 9925.44927825291 1990 10754.567013533113 1991 11283.71201083739 1992 11673.589913457012 1993 12261.79824761558 1994 12878.016173471888 1995 14682.16548949543 1996 15644.502591248123 1997 16348.676235730692 1998 17072.145824327436 1999 17777.848667777525 2000 18690.864512932832 2001 19386.693833709127 2002 20067.86908355582 2003 21096.146118391363 2004 22048.394588875875 2005 23157.633640626314 2006 24192.52148263459 2007 25188.763210636207 2008 25783.489393069507 2009 24869.85813376427 2010 25627.62715349216 2011 26282.347075450834 2012 26902.813436343975 2013 27778.09095217643 2014 28830.460489191886 2015 29431.238936032205 2016 30355.077646110498 2017 31524.64380288494 2018 32384.78573026947 2019 33423.754719495584 2020 31369.250005150472 2021 34077.35877735859 2022 36966.278709563216 2023 39315.08412582297