Historical Statistics of the United States Millennial Edition Online

		Ba4995	Ba4996	Ba4997	Ba4998
		Percentage expressing approval or disapproval			Percentage expressing a great deal of confidence
		Approval	Disapproval	No opinion
Row	Year	Percent	Percent	Percent	Percent
1	1936	72	20	8	----
2	1939	68	24	8	----
3	1941	61	30	9	----
4	1947	64	25	11	----
5	1948	64	21	15	----

6	1953	75	18	7	----
7	1957	75	14	11	----
8	1958	64	21	15	----
9	1959	68	19	13	----
10	1961	70	18	12	----

11	1962	64	24	11	----
12	1963	68	22	10	----
13	1965	71	19	11	----
14	1967	66	23	11	----
15	1972	60	27	13	----

16	1973	----	----	----	30
17	1975	----	----	----	38
18	1977	----	----	----	39
19	1978	59	31	10	----
20	1979	55	33	12	36

21	1981	----	----	----	28
22	1983	----	----	----	26
23	1984	----	----	----	30
24	1985	58	27	15	28
25	1986	59	30	11	29

26	1987	----	----	----	26
27	1988	----	----	----	26
28	1990	----	----	----	27
29	1991	60	30	10	25
30	1992	----	----	----	26

31	1993	----	----	----	26
32	1994	----	----	----	26
33	1995	----	----	----	26
34	1996	----	----	----	25
35	1997	60	31	9	23

36	1998	----	----	----	26
37	1999	66	29	5	28