Year current LCU 1960 373.25005066955265 1961 338.1928299379544 1962 310.2962385477745 1963 362.20680028381116 1964 432.7510493253021 1965 447.0202540548673 1966 441.82143291893516 1967 451.07296243526935 1968 443.02991779648085 1969 518.7019856639204 1970 463.5502813819674 1971 433.4631198133695 1972 487.3952152172682 1973 578.8145216022217 1974 954.4173935263487 1975 1087.560334634339 1976 1244.130859574207 1977 1468.1700861834117 1978 1545.082680320997 1979 1788.3734785402064 1980 2196.814590248462 1981 2610.0024878474997 1982 2323.7155278435134 1983 1949.1255728680937 1984 1873.484134231056 1985 1852.2042321681215 1986 1612.9239367020102 1987 1432.645526290689 1988 1308.5162894135763 1989 1359.8353017109876 1990 1457.627807974421 1991 1588.9572974839982 1992 1657.0297910377853 1993 1700.3088792615067 1994 2000.1775697739056 1995 2112.2070203792996 1996 2141.2574761866467 1997 2348.044076004364 1998 2292.5090000215578 1999 1581.9672276432104 2000 1388.4033802856165 2001 1800.3983645350002 2002 2069.849767520396 2003 2328.0038829625996 2004 2600.369807943246 2005 2925.1135728857753 2006 3261.514958068924 2007 3497.7057340335473 2008 4217.444584483042 2009 4076.234948041636 2010 4546.5787745291145 2011 5183.623700331178 2012 5666.217446876859 2013 6141.983181442154 2014 6436.761036506217 2015 6002.108311102401 2016 5941.234708783707 2017 6256.683019359711 2018 6316.46884119534 2019 6203.727050797579 2020 5450.433761195821 2021 6036.447274167496 2022 6476.644575301372 2023 6533.35150400616