Year current LCU 1970 865.9256566991576 1971 892.5959696068714 1972 938.0846420896016 1973 1046.4099933818663 1974 1224.342044265487 1975 1552.6017184818982 1976 1862.3722095403796 1977 2165.007329706486 1978 2437.486378964608 1979 2774.9267573450097 1980 3425.060556774937 1981 3844.0081258503615 1982 4046.9143719814174 1983 3849.437862303494 1984 3932.823441512676 1985 3927.239249580921 1986 4050.9182423762354 1987 4320.476653555307 1988 4691.336068523717 1989 5166.3186227268325 1990 5723.797328966316 1991 6042.685759045748 1992 6398.960333824785 1993 6743.718422441746 1994 7176.473397599234 1995 8228.35628307001 1996 8516.694963214488 1997 8987.912463981651 1998 9323.774225447523 1999 10014.528688418848 2000 10247.031488324476 2001 10971.00121529583 2002 11489.524266207658 2003 11963.104898206142 2004 12152.475543200728 2005 12386.134738797798 2006 12789.060870255364 2007 13528.133054410853 2008 14925.685239919292 2009 14376.435704433434 2010 15597.01055958336 2011 16245.272628237191 2012 16706.9097738431 2013 17724.72799215639 2014 19089.72969828902 2015 21220.379383227908 2016 20882.953454412702 2017 22955.074484325392 2018 24406.185418758847 2019 25775.865021022215 2020 23221.521071533498 2021 26556.603679027103 2022 29553.734852504833 2023 31911.177633705585