|
Increasing Understanding of Public Problems and Policies:1951 (22)
|
|
Increasing Understanding of Public Problems and Policies:1952 (18)
|
|
Increasing Understanding of Public Problems and Policies:1953 (15)
|
|
Increasing Understanding of Public Problems and Policies:1954 (17)
|
|
Increasing Understanding of Public Problems and Policies:1955 (18)
|
|
Increasing Understanding of Public Problems and Policies:1956 (20)
|
|
Increasing Understanding of Public Problems and Policies:1957 (22)
|
|
Increasing Understanding of Public Problems and Policies:1958 (23)
|
|
Increasing Understanding of Public Problems and Policies:1959 (23)
|
|
Increasing Understanding of Public Problems and Policies:1960 (25)
|
|
Increasing Understanding of Public Problems and Policies:1961 (16)
|
|
Increasing Understanding of Public Problems and Policies:1962 (25)
|
|
Increasing Understanding of Public Problems and Policies:1963 (22)
|
|
Increasing Understanding of Public Problems and Policies:1964 (19)
|
|
Increasing Understanding of Public Problems and Policies:1965 (20)
|
|
Increasing Understanding of Public Problems and Policies:1966 (19)
|
|
Increasing Understanding of Public Problems and Policies:1967 (20)
|
|
Increasing Understanding of Public Problems and Policies:1968 (18)
|
|
Increasing Understanding of Public Problems and Policies:1969 (20)
|
|
Increasing Understanding of Public Problems and Policies:1970 (16)
|
|
Increasing Understanding of Public Problems and Policies:1971 (16)
|
|
Increasing Understanding of Public Problems and Policies:1972 (27)
|
|
Increasing Understanding of Public Problems and Policies:1973 (19)
|
|
Increasing Understanding of Public Problems and Policies:1974 (19)
|
|
Increasing Understanding of Public Problems and Policies:1975 (16)
|
|
Increasing Understanding of Public Problems and Policies:1976 (16)
|
|
Increasing Understanding of Public Problems and Policies:1977 (23)
|
|
Increasing Understanding of Public Problems and Policies:1978 (23)
|
|
Increasing Understanding of Public Problems and Policies:1979 (18)
|
|
Increasing Understanding of Public Problems and Policies:1980 (21)
|
|
Increasing Understanding of Public Problems and Policies:1981 (19)
|
|
Increasing Understanding of Public Problems and Policies:1982 (23)
|
|
Increasing Understanding of Public Problems and Policies:1983 (31)
|
|
Increasing Understanding of Public Problems and Policies:1984 (25)
|
|
Increasing Understanding of Public Problems and Policies:1985 (21)
|
|
Increasing Understanding of Public Problems and Policies:1986 (22)
|
|
Increasing Understanding of Public Problems and Policies:1987 (29)
|
|
Increasing Understanding of Public Problems and Policies:1988 (25)
|
|
Increasing Understanding of Public Problems and Policies:1989 (18)
|
|
Increasing Understanding of Public Problems and Policies:1990 (28)
|
|
Increasing Understanding of Public Problems and Policies:1991 (18)
|
|
Increasing Understanding of Public Problems and Policies:1992 (24)
|
|
Increasing Understanding of Public Problems and Policies:1993 (28)
|
|
Increasing Understanding of Public Problems and Policies:1994 (25)
|
|
Increasing Understanding of Public Problems and Policies:1995 (21)
|
|
Increasing Understanding of Public Problems and Policies:1996 (21)
|
|
Increasing Understanding of Public Problems and Policies:1997 (24)
|
|
Increasing Understanding of Public Problems and Policies:1998 (26)
|