Year LCU per US$, period average 1960 21.1817735336747 1961 21.0584395780868 1962 20.8801053450072 1963 20.8300788623462 1964 20.8000000198 1965 20.8000000198 1966 20.8000000198 1967 20.8000000198 1968 20.8000000198 1969 20.8000000198 1970 20.8000000198 1971 20.8000000180667 1972 20.8000294920375 1973 20.6195816363913 1974 20.3751027981272 1975 20.3792694856493 1976 20.4001029232598 1977 20.4001029232598 1978 20.3361026003602 1979 20.4189363516965 1980 20.4763533080478 1981 21.8204434231107 1982 23.0001160420577 1983 23.0001160420577 1984 23.6393692671034 1985 27.1588870239775 1986 26.2988826852636 1987 25.7227964454131 1988 25.2938776147303 1989 25.702046340723 1990 25.585462419191 1991 25.5167954060799 1992 25.4001281507941 1993 25.3196110778962 1994 25.1499518885845 1995 24.9151757040726 1996 25.3426828609665 1997 31.3643344542954 1998 41.3593875 1999 37.8136558333333 2000 40.1118033333333 2001 44.4319 2002 42.9600833333333 2003 41.4846166666667 2004 40.2224149175021 2005 40.2201302083333 2006 37.8819832215363 2007 34.5181805917013 2008 33.3133006412338 2009 34.2857741234241 2010 31.685705 2011 30.4917333333333 2012 31.0830916666667 2013 30.7259666666667 2014 32.4798333333333 2015 34.2477166666667 2016 35.2963833333333 2017 33.9398110566858 2018 32.3102257431458 2019 31.0476057805499 2020 31.2936732130832 2021 31.9770934417717 2022 35.0613502144776 2023 34.8021885808364