Year current LCU 1970 2354.5819849479512 1971 2504.2081779018886 1972 2702.9687441253377 1973 2962.306406078355 1974 3441.696149745518 1975 4079.7599351525073 1976 4374.488858705708 1977 4738.56886098222 1978 4909.060684798859 1979 5155.931927318612 1980 5518.669811340498 1981 5788.620926579885 1982 6246.493504032755 1983 6608.423257551277 1984 6436.735977717699 1985 6515.950093948081 1986 6696.06580138289 1987 6921.673821334057 1988 6997.090498695766 1989 7091.5696287186975 1990 7524.098970299324 1991 6759.573823470006 1992 6564.162306249383 1993 6059.955016624291 1994 5591.570955810785 1995 5218.224117875146 1996 4772.421459642339 1997 4603.126507768021 1998 4214.541775079503 1999 4200.231147067321 2000 4132.427483858533 2001 4066.1584483257743 2002 3880.639551734132 2003 4112.925367362723 2004 4160.619254958878 2005 3876.7202946307425 2006 3788.614727025452 2007 2824.583617415019 2008 4100.361222298155 2009 5863.383172090296 2010 5272.922566155649 2011 6418.360400661286 2012 9383.378016085791 2013 8602.954927997007 2014 9872.029250457039 2015 9119.356280733125 2016 11716.359185100988 2017 12412.25817497004 2018 14173.09627641731 2019 14424.66205077481 2020 15103.53227771011 2021 18783.47054591959 2022 16735.080517840226 2023 17918.622848200313