Year current LCU 1960 710.941475826972 1961 764.2135213995621 1962 835.5636524505759 1963 906.7968840461084 1964 974.0938566192103 1965 1065.497301464919 1966 1150.249809999638 1967 1249.9650372646063 1968 1383.7007675247478 1969 1552.4095151165172 1970 1724.6136865342164 1971 1900.0865255467581 1972 2047.3467799873351 1973 2189.464586808467 1974 2317.42330399187 1975 2396.3259853039413 1976 2480.34235544806 1977 2648.9223586698567 1978 2874.8768542168023 1979 3168.1569451353625 1980 3451.2164691203993 1981 3766.0768431778424 1982 3872.976973277725 1983 3940.7901452612364 1984 4241.08678035638 1985 4442.463725199882 1986 4708.621714159682 1987 5026.511904934846 1988 5377.676604206571 1989 5719.738137007403 1990 6112.275657336726 1991 6403.214386978504 1992 6609.561427388781 1993 6951.447339051865 1994 7300.405810858544 1995 7725.101904562539 1996 8150.271904377721 1997 8603.087702125056 1998 9285.840288318139 1999 10073.785269313996 2000 10869.297657458592 2001 11534.225382282377 2002 11787.349481562496 2003 12409.362548499188 2004 13542.766976109508 2005 14356.629992133694 2006 15203.959461938277 2007 16030.343841321494 2008 16672.51638319472 2009 17008.269146965173 2010 17276.412223483654 2011 17865.041541487666 2012 18733.230100085624 2013 19188.2612034198 2014 19462.50417978123 2015 20039.548178756846 2016 20543.56862063621 2017 20764.980816687646 2018 21169.309760208234 2019 22157.758382612737 2020 21438.999840624434 2021 22483.635450837697 2022 24370.79071448735 2023 25439.351453399595