Year current LCU 1960 507.3880452553079 1961 576.2147536715307 1962 666.1643795853197 1963 780.4408186887217 1964 863.2097568410995 1965 992.0490238044234 1966 1134.6022038779836 1967 1269.0211079827318 1968 1413.3240393732528 1969 1599.7923277232471 1970 503.51604758321207 1971 562.4519459603342 1972 653.6723623760851 1973 781.4100835901121 1974 950.2083985013005 1975 1099.2616736441457 1976 1304.4506679042993 1977 1635.6663593126116 1978 1981.4883252898192 1979 2303.7378604099395 1980 2640.663286937069 1981 2926.339914177503 1982 3342.6034035897214 1983 3778.5299644171932 1984 4248.740528527201 1985 4737.84733739279 1986 5413.116971154105 1987 6038.618899948209 1988 6697.66532250586 1989 7517.868760096512 1990 8361.623679655624 1991 9148.27434812003 1992 9794.846069168798 1993 10121.644854781332 1994 10573.877645988881 1995 11499.645328207975 1996 12090.920141794459 1997 12809.551316487452 1998 13646.162223191417 1999 14616.4316996549 2000 15855.357827072186 2001 16922.497623769377 2002 17886.414022856683 2003 18860.54554597679 2004 19836.58922794532 2005 20950.44447531914 2006 22191.835502499598 2007 23197.43891691836 2008 23474.311522891992 2009 22622.57018783923 2010 22695.26456431823 2011 22356.241018784174 2012 21868.509551065246 2013 21747.362105720833 2014 22134.455193857983 2015 23207.210653706315 2016 24033.54939161728 2017 24959.180770359028 2018 25761.791901380566 2019 26471.20642424201 2020 23685.43198653117 2021 25978.411328512182 2022 28313.499380681707 2023 30013.78156965172