Year LCU per US$ 1960 5.3878 1961 5.3878 1962 5.3878 1963 5.3878 1964 5.3878 1965 5.73 1966 5.7361 1967 5.7475 1968 6.0851 1969 6.0936 1970 6.0793 1971 5.9609 1972 5.641417 1973 5.1465 1974 5.031583 1975 4.935167 1976 4.9048 1977 4.662 1978 4.683667 1979 5.002667 1980 4.976083 1981 5.589333 1982 6.069917 1983 7.265167 1984 7.818 1985 7.79075 1986 7.803333 1987 7.79825 1988 7.806 1989 7.799917 1990 7.78975 1991 7.771167 1992 7.740583 1993 7.735583 1994 7.728417 1995 7.735833 1996 7.734254 1997 7.742083 1998 7.745333 1999 7.7575 2000 7.791167 2001 7.79875 2002 7.798917 2003 7.78675 2004 7.788 2005 7.777333 2006 7.767833 2007 7.801417 2008 7.786833 2009 7.75175 2010 7.769167 2011 7.784 2012 7.756417 2013 7.756 2014 7.754083 2015 7.75175 2016 7.76225 2017 7.7932 2018 7.8385 2019 7.835917 2020 7.7572 2021 7.77325 2022 7.831417 2023 7.829583