Year LCU per US$ 1970 0.8929 1971 0.8929 1972 0.856 1973 0.7805 1974 0.6785 1975 0.7323 1976 0.7933 1977 0.8718 1978 0.8866 1979 0.8803 1980 0.8975 1981 0.8613 1982 0.9063 1983 1.0685 1984 1.1042 1985 1.3037 1986 1.4296 1987 1.5112 1988 1.3744 1989 1.2281 1990 1.2995 1991 1.2741 1992 1.3003 1993 1.4232 1994 1.4455 1995 1.3468 1996 1.318 1997 1.2778 1998 1.4743 1999 1.5958 2000 1.5923 2001 1.8634 2002 1.9112 2003 1.717 2004 1.4058 2005 1.3302 2006 1.3356 2007 1.273775 2008 1.116954 2009 1.358196 2010 1.13534 2011 1.014263 2012 0.969762 2013 0.974731 2014 1.089267 2015 1.201931 2016 1.373768 2017 1.325949 2018 1.29012 2019 1.398209 2020 1.491751 2021 1.339869 2022 1.378193 2023 1.48578