Year LCU per US$ 1965 0.4578 1966 0.4633 1967 0.4522 1968 0.428 1969 0.413 1970 0.3981 1971 0.3921 1972 0.3868 1973 0.3958 1974 0.4813 1975 0.4562 1976 0.5035 1977 0.5701 1978 0.6596 1979 0.7 1980 0.72 1981 0.74 1982 0.812 1983 0.859 1984 0.9302 1985 0.9551 1986 1.069 1987 1.273 1988 1.761 1989 1.9368 1990 2.229 1991 3.009 1992 3.3233 1993 3.332 1994 3.372 1995 3.391 1996 3.392 1997 3.39 1998 3.388 1999 3.391 2000 3.4065 2001 3.71 2002 4.45 2003 5.2 2004 6.16 2005 6.01 2006 5.75 2007 5.71 2008 5.5 2009 5.51 2010 5.51 2011 5.81 2012 6 2013 6.45 2014 6.97 2015 7.42 2016 8.15 2017 14.72 2018 17.77 2019 17.56 2020 16.03 2021 15.69 2022 16.45 2023 25.6497377593