Year current LCU 1960 53.752938079132136 1961 56.99422735437552 1962 60.667827559972686 1963 64.41785715570506 1964 70.33403965189166 1965 78.92982716967515 1966 86.74170621221668 1967 97.79638621775928 1968 108.67697635833896 1969 120.52623878392455 1970 135.14017909940185 1971 151.53146386825358 1972 176.79675288485046 1973 216.21480117223246 1974 256.8997294492519 1975 272.0572014863413 1976 326.1715447406478 1977 429.7338899655498 1978 530.821855465174 1979 660.8791912860272 1980 823.7861948297372 1981 960.5000811055364 1982 1157.3121493626113 1983 1438.4553315394414 1984 1735.1893193355256 1985 2182.859015007862 1986 2793.9244676476023 1987 3308.518986631248 1988 3988.1941512693606 1989 4722.16371814093 1990 5603.568608839354 1991 6467.424212380532 1992 7325.908661688216 1993 7702.552265879218 1994 8285.09982209923 1995 8948.684722869417 1996 9430.261592248367 1997 10109.078000672076 1998 10927.794109483715 1999 11667.186411828423 2000 12277.387880812812 2001 12877.554854795875 2002 13474.170246527925 2003 13825.952179504746 2004 14339.702901440605 2005 14894.967310367283 2006 15351.996162811738 2007 16166.42777116568 2008 16394.368838484144 2009 16043.99319962904 2010 16447.026794412235 2011 16409.362485271216 2012 15626.641060961056 2013 16085.719394929569 2014 16297.680179197087 2015 16884.64990988674 2016 17622.43328427656 2017 18576.899993204082 2018 19464.861507715712 2019 20299.48971749993 2020 19170.309624640227 2021 20642.321516342043 2022 22960.53989623528 2023 24754.91582367783