Year current LCU 1965 3900 1966 4200 1967 4500 1968 4700 1969 5100 1970 5700 1971 6000 1972 6100 1973 6500 1974 7200 1975 7800 1976 8300 1977 9000 1978 9700 1979 10700 1980 11300 1981 12300 1982 13000 1983 13200 1984 14000 1985 14000 1986 13700 1987 14200 1988 14600 1989 14400 1990 15000 1991 19200 1992 149200 1993 16396899.999999998 1994 902300000 1995 2432203500 1996 3868500000 1997 4554900000 1998 5022100000 1999 5668700000 2000 6043100000 2001 6674000000 2002 7456000000 2003 8564100000 2004 9824300000 2005 11620900000 2006 13789900000 2007 16993800000 2008 19074900000 2009 17986000000 2010 22149000000 2011 26099000000 2012 27897000000 2013 29138000000 2014 31722000000 2015 34548000000 2016 36553000000 2017 41340000000 2018 45374000000 2019 49726000000 2020 49789000000 2021 60724000000 2022 72860000000 2023 80246000000