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TABLE E20

Percentage Distribution of Active Participants in Plans with 100 or More Participants by vesting status, 1977-1996
Year	All Plans				Defined Benefit Plans				Defined Contribution Plans
Year	Total	Fully Vested	Partially Vested	Not Vested	Total	Fully Vested	Partially Vested	Not Vested	Total	Fully Vested	Partially Vested	Not Vested
1977	100	46	12	43	100	40	6	55	100	59	24	17
1978	100	46	12	43	100	40	6	55	100	58	25	17
1979	100	46	12	42	100	40	6	54	100	58	25	17
1980	100	45	12	42	100	38	6	56	100	58	25	17
1981	100	46	13	41	100	40	6	55	100	58	25	17
a
1982	100	48	13	39	100	41	5	54	100	60	24	17
1983	100	53	12	35	100	43	5	52	100	65	21	14
1984	100	55	12	32	100	44	6	51	100	68	20	13
1985	100	57	12	31	100	44	5	51	100	69	19	12
1986	100	58	12	30	100	45	5	50	100	70	19	11
a
1987	100	58	12	30	100	46	5	49	100	69	19	12
1988	100	60	11	30	100	49	4	47	100	69	18	13
1989	100	65	9	26	100	58	2	40	100	71	14	14
1990	100	67	9	24	100	60	2	38	100	72	14	14
1991	100	67	9	24	100	61	2	37	100	71	14	15
a
1992	100	68	10	22	100	64	2	34	100	71	14	15
1993	100	69	10	21	100	66	2	32	100	72	14	14
1994	100	70	9	21	100	67	2	31	100	72	14	14
1995	100	69	10	21	100	68	2	31	100	70	14	16
1996	100	71	11	18	100	68	1	30	100	73	16	11

SOURCE: Form 5500 series reports filed with the Internal Revenue Service for 1977-96 plan years.