Year Unit Table

1947	1948	1949	1950	1951
1952	1953	1954	----	1956
1957	1958	1959	1960	1961
1962	1963	1964	1965	1966
1967	1968	1969	1970	1971
1972	1973	1974	1975	1976
1977	1978	1979	1980	1981
1982	1983	1984	1985	1986
1987	1988	1989	1990	1991
1992	1993	1994	1995	1996
1997	1998	1999	2000	2001
2002	2003	2004