Table 27. Medicare hospital insurance—estimated total and per enrollee deductible and coinsurance amounts for the aged: United States, 1977-1984¹.

Calendar year	Total in millions			Per enrollee2
	Deductible	Coinsurance	Total copayments	Deductible	Coinsurance	Total copayments
1977	$ 756	$216	$ 973	$33	$ 9	$ 42
1978	907	253	1,159	38	11	49
1979	1,035	297	1,333	43	12	55
1980	1,239	354	1,594	50	14	65
1981	1,433	398	1,831	57	16	73
1982 3	2,026	606	2,632	78	23	102
1983 3	2,233	669	2,903	85	25	110
1984 3	2,565	754	3,318	95	28	123

¹April 1984 current-law estimates of copayment amounts based on 1984 Trustees Report—Alternative ll-B. Data are subject to revision.

²Average annual enrollment is used to calculate these items.

³Projected.

SOURCE: Office of Financial and Actuarial Analysis, Bureau of Data Management and Strategy, Health Care Financing Administration.