Year current LCU 1960 589.8974510298387 1961 626.1852440701118 1962 648.1273386378642 1963 726.0068918831754 1964 718.4271058679877 1965 757.4367004526156 1966 813.6442303911083 1967 912.1682031391626 1968 1048.195482147967 1969 1175.36715151313 1970 1377.069332348824 1971 1522.4228490964472 1972 1686.6408087546804 1973 2088.356520416607 1974 2604.0444484667546 1975 3288.036747743737 1976 3517.001598492505 1977 3979.612517673824 1978 4430.179794350003 1979 5343.314812906703 1980 8029.182687567781 1981 8799.139325595641 1982 9157.337213759867 1983 9691.818872926453 1984 10529.42525429592 1985 10992.163963537809 1986 12048.612455006387 1987 13253.226317783603 1988 14090.167798981303 1989 15593.66051035906 1990 15633.45025263841 1991 15666.802877387221 1992 15041.581479716539 1993 15900.68775263894 1994 16533.44134009904 1995 16999.424329878042 1996 18090.283987777453 1997 19090.204540619397 1998 21491.264669513963 1999 22474.16436385661 2000 23120.4918063758 2001 23020.08086608862 2002 23317.258073595916 2003 23996.35138822949 2004 25656.877897990726 2005 28347.50275533719 2006 31190.33669224369 2007 34451.068728724895 2008 35141.56582977241 2009 32629.338436982955 2010 33014.86107218131 2011 33848.1338434621 2012 33473.8436695547 2013 33904.2688674986 2014 33960.0541274915 2015 34080.835218262175 2016 34797.97415386382 2017 35821.566190402846 2018 36671.90011727353 2019 38312.07973445642 2020 34056.827566059714 2021 35172.6600284495 2022 41476.90237363964 2023 45345.23087014628