Year current LCU 1960 564.9297801035516 1961 594.2743618182747 1962 620.7557282738122 1963 654.3493216338118 1964 709.2701813133369 1965 760.0163199961618 1966 802.1854063764038 1967 839.5457536756801 1968 903.6118122246608 1969 969.7326802229276 1970 1061.7215128473454 1971 1176.904654183879 1972 1310.8533108892557 1973 1513.8411432842918 1974 1712.9580390700519 1975 2146.274735086028 1976 2543.4938161211508 1977 2923.166565267024 1978 3381.287223845811 1979 3956.600331989551 1980 4594.10792472011 1981 5052.070080306453 1982 5523.8829256307545 1983 6075.085410203297 1984 6521.7020211522895 1985 7065.455923215077 1986 7619.072331951739 1987 8377.461235994124 1988 9352.674214367831 1989 10204.94716312578 1990 10994.256491444023 1991 11565.020377833678 1992 12103.84432536612 1993 12704.213219672947 1994 13563.336460975315 1995 14265.110085432314 1996 15158.695341598623 1997 16111.289763179331 1998 17164.11250124194 1999 17717.30247328052 2000 18742.450016652372 2001 19491.36288355316 2002 20300.122557542443 2003 21337.54737430491 2004 22229.881173546568 2005 23398.026191728688 2006 24097.578147880202 2007 24958.782232866284 2008 25443.220463962047 2009 24660.91819564659 2010 25638.89114814917 2011 26392.134154910596 2012 26652.217735842805 2013 27285.796391242286 2014 28315.4323705327 2015 28789.785844291728 2016 29642.81022714995 2017 31185.446300245665 2018 31944.62851411061 2019 33390.03054431761 2020 30700.940892053357 2021 34264.345102068306 2022 37148.456284757565 2023 38804.98902706657