Year current LCU 1960 1332.749344978166 1961 1420.774272975311 1962 1510.626657693678 1963 1611.1377498322515 1964 1727.129012501351 1965 1864.010107077025 1966 2018.8603186561197 1967 2216.8561982844176 1968 2416.352383715308 1969 2747.9811282526266 1970 2849.7769763689853 1971 2941.906904871635 1972 2955.5314751481387 1973 3279.8014083270045 1974 3348.2557757360937 1975 4060.7521262525943 1976 2748.719043552519 1977 2989.540881757816 1978 3276.965435130409 1979 4585.601068241685 1980 5366.65594050556 1981 5591.42992507326 1982 6231.022021991843 1983 6738.775751735098 1984 7778.87430234776 1985 8701.892369935147 1986 9126.249980064114 1987 9900.31961755432 1988 10178.458986684687 1989 11037.579145212869 1990 11058.116809948315 1991 10621.536054017633 1992 10732.942515772787 1993 10284.421371163642 1994 10617.115140630687 1995 12959.795228906974 1996 14499.1706374843 1997 19923.719496664744 1998 21039.194921971604 1999 23595.787330768846 2000 24418.240445026982 2001 24630.733012565757 2002 26038.21204663445 2003 25754.586546131348 2004 25981.509171089718 2005 27757.40158250049 2006 28211.697252909285 2007 29040.333719168164 2008 28799.184112239695 2009 26707.167639794923 2010 26417.357851647055 2011 26020.50535785157 2012 27328.672646514562 2013 26184.934526124725 2014 27080.46904512876 2015 28462.35138032631 2016 28257.141846980627 2017 29299.784471956293 2018 29312.07794857504 2019 30636.02903917124 2020 23188.812978047634 2021 26630.05692487975 2022 30409.942827037154 2023 33024.48565057328