Table 1. Medicare enrollee prescriptions per capita and prescription costs, by age, institutional status, and disability status: Selected calendar years, 1967-91.

Reason for eligibility	1967	1973	1977	1985	1986	1987	1988	1989	1990	1991
	Annual prescriptions per capita
All enrollees	10.4	13.6	14.7	17.1	17.4	17.8	18.1	18.3	18.7	19.1
Aged	10.4	13.4	14.4	16.8	17.1	17.4	17.7	18.0	18.4	18.7
Institutionalized	19.8	25.5	27.3	31.3	31.8	32.4	32.9	33.5	34.1	34.7
Noninstitutionalized	9.9	12.8	13.7	16.0	16.3	16.5	16.8	17.1	17.5	17.8
65-69 years	8.2	10.6	11.4	13.1	13.4	13.6	13.9	14.1	14.4	14.7
70-74 years	9.9	12.8	13.7	15.8	16.1	16.3	16.6	16.9	17.2	17.5
75-79 years	12.3	15.9	17.0	19.7	20.0	20.3	20.7	21.0	21.4	21.8
80 years or over	10.9	14.0	15.0	17.4	17.7	18.1	18.4	18.7	19.0	19.3
Disabled	—	16.5	17.7	20.5	20.9	21.3	21.7	22.0	22.5	22.9
	Cost per prescription
All enrollees	$4.00	$4.74	$6.60	$14.41	$15.78	$17.43	$18.96	$20.19	$21.32	$22.66
Aged	4.00	4.74	6.60	14.41	15.78	17.43	18.97	20.19	21.32	22.67
Institutionalized	4.02	4.74	6.62	14.72	16.10	17.80	19.33	20.59	21.79	23.10
Noninstitutionalized	4.01	4.73	6.59	14.41	15.76	17.43	18.92	20.15	21.32	22.60
65-69 years	4.23	4.99	6.97	15.24	16.66	18.42	19.99	21.28	22.52	23.87
70-74 years	4.10	4.84	6.76	14.80	16.19	17.90	19.43	20.69	21.90	23.22
75-79 years	3.81	4.50	6.28	13.80	15.10	16.70	18.14	19.33	20.47	21.71
80 years or over	3.75	4.42	6.17	13.54	14.82	16.40	17.81	18.98	20.10	21.32
Disabled	—	4.73	6.59	14.41	15.76	17.43	18.92	20.15	21.32	22.60
	Annual cost per enrollee
All enrollees	$42	$65	$97	$247	$275	$310	$342	$370	$400	$432
Aged	42	64	95	242	270	304	336	364	392	424
Disabled	51	78	117	295	329	371	411	443	480	518

SOURCE: Health Care Financing Administration: Data from the Office of the Actuary.