Year LCU per US$ 1960 0.892857 1961 0.892857 1962 0.892857 1963 0.892857 1964 0.892857 1965 0.892857 1966 0.892857 1967 0.892857 1968 0.892857 1969 0.892857 1970 0.892857 1971 0.882758 1972 0.835039 1973 0.704114 1974 0.696666 1975 0.763893 1976 0.792807 1977 0.791408 1978 0.708925 1979 0.711757 1980 0.670946 1981 0.672967 1982 0.738458 1983 0.836146 1984 0.898552 1985 1.000314 1986 0.971414 1987 0.907899 1988 0.867053 1989 0.858797 1990 0.955422 1991 0.952 1992 0.9646 1993 0.9784 1994 1.005 1995 1.3362 1996 1.318 1997 1.4341 1998 2.0593 1999 2.539 2000 2.7648 2001 3.3743 2002 3.8858 2003 3.5537 2004 3.2217 2005 3.102 2006 3.056735 2007 2.965346 2008 2.700088 2009 2.755143 2010 2.719294 2011 2.37097 2012 2.083648 2013 2.24451 2014 2.461385 2015 2.768412 2016 3.133029 2017 3.188788 2018 3.293463 2019 3.387538 2020 3.459974 2021 3.508772 2022 3.519887 2023 3.5998