Year LCU per US$ 1960 3.06122 1961 3.06122 1962 3.06122 1963 3.06122 1964 3.06122 1965 3.06122 1966 3.06122 1967 3.06122 1968 3.06122 1969 3.06122 1970 3.06122 1971 3.0612 1972 3.0507 1973 2.8125 1974 2.4574 1975 2.4369 1976 2.3713 1977 2.4708 1978 2.4394 1979 2.274 1980 2.1746 1981 2.1412 1982 2.1127 1983 2.14 1984 2.113 1985 2.1331 1986 2.2001 1987 2.1774 1988 2.106 1989 2.0124 1990 1.9503 1991 1.7275 1992 1.628967 1993 1.615791 1994 1.527444 1995 1.417375 1996 1.410041 1997 1.484806 1998 1.673602 1999 1.694957 2000 1.723963 2001 1.791723 2002 1.790588 2003 1.742183 2004 1.690228 2005 1.664397 2006 1.588933 2007 1.507102 2008 1.414861 2009 1.454515 2010 1.363508 2011 1.257776 2012 1.249676 2013 1.2513 2014 1.26705 2015 1.374825 2016 1.381546 2017 1.380925 2018 1.348842 2019 1.364158 2020 1.379742 2021 1.343483 2022 1.378667 2023 1.342767