Year current LCU 1961 912.2305033406333 1962 915.4220738245791 1963 911.1635545435591 1964 1181.8063685316104 1965 1305.4952482392162 1966 1322.889291814492 1967 1361.248910235397 1968 1408.556322883624 1969 1335.0532727730267 1970 1475.4379908001977 1971 1542.292595651358 1972 1590.1628938303272 1973 1755.0705483648617 1974 2178.5445247051457 1975 2228.2533613935734 1976 2404.3827777048964 1977 2493.7174137370607 1978 2524.5518162367616 1979 2886.4839234882616 1980 3111.549135524533 1981 3283.508356517777 1982 3443.55580880568 1983 3671.832685048013 1984 3895.416229819983 1985 4225.929083443807 1986 4617.828381392975 1987 5056.487871375382 1988 5303.635485954539 1989 5906.501518639005 1990 5818.138599330916 1991 8219.033906950677 1992 8500.798639551447 1993 9605.085594332571 1994 9982.16505679229 1995 10998.24453723227 1996 12182.27848466084 1997 12768.365496937138 1998 15210.248064988016 1999 16114.313455907803 2000 15898.373285669812 2001 15862.965331232306 2002 17651.501805824355 2003 19237.858847733485 2004 21863.807437448562 2005 26456.33045187162 2006 33520.43872753372 2007 35140.24733725109 2008 38186.93575304268 2009 37637.84897201482 2010 44859.81527498047 2011 52720.43314760109 2012 53329.22021400325 2013 56449.167635602746 2014 49937.745742482126 2015 49252.5284288836 2016 54633.18159785606 2017 57679.46414642639 2018 62112.61493586994 2019 65270.23370519947 2020 67416.34713592217 2021 70926.48287784698 2022 75633.83781898652 2023 78598.5041453131