Table 1.

Cases, person-years and incidence rate per 100,000 (in that order) by five-year age group and one-year calendar period. Incidence rates are shown in bold.

	1985	1986	1987	1988	1989	1990
30–34	22	25	23	25	34	25
	149,215	151,942	153,049	154,082	154,921	154,716
	14.74	16.45	15.03	16.23	21.95	16.16
35–39	80	67	51	68	68	68
	153,066	148,981	147,437	147,728	148,740	149,955
	52.27	44.97	34.59	46.03	45.72	45.35
40–44	132	133	116	127	128	145
	127,044	138,884	146,841	151,804	153,098	152,902
	103.90	95.76	79.00	83.66	83.61	94.83
45–49	131	136	146	136	149	172
	101,342	103,055	106,780	111,565	118,529	126,359
	129.27	131.97	136.73	121.90	125.71	136.12
50–54	131	120	113	139	109	131
	95,175	93,653	93,144	94,980	97,487	100,154
	137.64	128.13	121.32	146.35	111.81	130.80
55–59	133	180	134	140	122	127
	104,604	102,171	100,738	97,841	95,685	93,362
	127.15	176.18	133.02	143.09	127.50	136.03
60–64	198	213	180	181	183	156
	117,192	113,995	110,102	106,550	103,279	101,408
	168.95	186.85	163.48	169.87	177.19	153.83
65–69	222	235	238	231	224	214
	114,546	116,282	116,441	116,331	116,690	111,885
	193.81	202.09	204.40	198.57	191.96	191.27
70–74	220	208	225	230	244	235
	100,411	100,954	102,078	103,119	102,616	106,104
	219.10	206.03	220.42	223.04	237.78	221.48
75–79	211	189	209	221	223	224
	82,082	83,347	84,959	86,146	86,646	87,415
	257.06	226.76	246.00	256.54	257.37	256.25
80–84	142	148	135	143	158	186
	58,208	59,200	60,337	61,226	62,634	63,965
	243.95	250.00	223.74	233.56	252.26	290.78
85–89	89	76	76	87	78	84
	31,832	32,943	33,904	35,245	36,183	36,852
	279.59	230.70	224.16	246.84	215.57	227.94
	1991	1992	1993	1994	1995
30–34	35	27	38	28	39
	154,168	154,420	155,650	157,715	160,391
	22.61	17.48	24.41	17.75	24.32
35–39	76	81	99	78	82
	152,754	153,792	154,698	155,663	155,861
	49.75	52.67	64.00	50.11	52.61
40–44	147	129	157	169	154
	148,637	147,194	147,492	148,716	150,395
	98.90	87.64	106.45	113.64	102.40
45–49	195	219	239	228	282
	138,021	145,869	150,794	152,443	152,512
	141.28	150.13	158.49	149.56	184.90
	1991	1992	1993	1994	1995
50–54	153	137	182	197	210
	101,862	105,526	110,351	117,402	125,303
	150.20	129.83	164.93	167.80	167.59
55–59	153	150	148	207	169
	91,907	91,528	93,376	95,942	98,745
	166.47	163.88	158.50	215.76	171.15
60–64	201	183	194	162	214
	99,125	97,798	95,085	93,090	90,973
	202.77	187.12	204.03	174.03	235.23
65–69	215	196	188	196	208
	108,778	105,075	101,720	98,667	97,084
	197.65	186.53	184.82	198.65	214.25
70–74	241	256	246	252	250
	107,640	107,887	108,019	108,429	104,016
	221.83	237.29	226.27	232.41	240.35
75–79	221	225	226	236	226
	87,911	89,124	90,185	89,930	93,373
	251.39	252.46	250.60	262.43	242.04
80–84	150	192	150	161	181
	65,110	66,262	67,449	67,885	68,776
	230.38	289.76	222.39	237.17	263.17
85–89	106	90	88	94	105
	37,448	38,465	39,245	40,299	41,330
	283.06	233.98	224.23	233.26	254.05