Year LCU per US$ 1960 0.3572 1961 0.3572 1962 0.3572 1963 0.3572 1964 0.3572 1965 0.357143 1966 0.357143 1967 0.357143 1968 0.357143 1969 0.357143 1970 0.357143 1971 0.357143 1972 0.357143 1973 0.328571 1974 0.322092 1975 0.319792 1976 0.331983 1977 0.329267 1978 0.305625 1979 0.300333 1980 0.297925 1981 0.330433 1982 0.352492 1983 0.363079 1984 0.384465 1985 0.394625 1986 0.349966 1987 0.338459 1988 0.374292 1989 0.574576 1990 0.663712 1991 0.680866 1992 0.679818 1993 0.692851 1994 0.6987 1995 0.7008 1996 0.709 1997 0.709 1998 0.709 1999 0.709 2000 0.709 2001 0.708983 2002 0.709 2003 0.709 2004 0.709 2005 0.709 2006 0.709 2007 0.709 2008 0.709667 2009 0.71 2010 0.71 2011 0.71 2012 0.71 2013 0.71 2014 0.71 2015 0.71 2016 0.71 2017 0.71 2018 0.71 2019 0.71 2020 0.71 2021 0.71 2022 0.71 2023 0.71