Year current LCU 1960 344.41214796020716 1961 371.68853660971536 1962 400.07193975652405 1963 426.9738785754965 1964 482.72866601768675 1965 514.9174868374345 1966 538.5316797534582 1967 585.0412731017002 1968 659.1805886272093 1969 752.7585766710313 1970 839.0585848338828 1971 945.6078608312027 1972 1123.669591846815 1973 1323.525332555615 1974 1442.4398406374503 1975 1791.523255631672 1976 2146.2806318617686 1977 2565.8210956066055 1978 2951.783965636358 1979 3405.8451278251205 1980 3970.5297702766056 1981 4731.5189690124525 1982 5377.973492455104 1983 5829.063407964451 1984 6292.662571838084 1985 6732.016951557369 1986 7193.6525514946225 1987 7711.975824118086 1988 8312.109480165529 1989 9207.515560341772 1990 10015.697896455693 1991 10375.75288570228 1992 10810.193259386864 1993 11668.969071328966 1994 12557.813003949994 1995 13876.200142926773 1996 15202.432433175441 1997 17064.52965852705 1998 19404.7667786428 1999 21554.292308536358 2000 24855.91223949286 2001 26975.15701935962 2002 28998.596115359644 2003 31403.452152509646 2004 33137.31130821554 2005 35455.82528869587 2006 37944.90862602434 2007 38731.09624996192 2008 36109.77796408722 2009 31224.850866797122 2010 30855.18145764782 2011 30543.62649243988 2012 30793.754931207146 2013 32771.69420236445 2014 35510.83873294774 2015 43167.131898483975 2016 46237.634993118256 2017 49415.744682975455 2018 52207.579495557715 2019 56079.687050345136 2020 56970.30779186028 2021 64394.17193638038 2022 70912.83046983034 2023 74123.6003011564