How do I determine attack rates for this table?

TABLE 3: Food Consumption from Buffet Aboard Warped Imagination
	afflicted passengers and crew	non-afflicted passengers and crew
foods eaten	day 1	day 2	day 3	day 4	day 5	day 1	day 2	day 3	day 4	day 5
bacon	43***	37***	34***	10	0	3000	2763	2879	2556	2865
sausage	24	12	0	12	0	1287	1534	1302	698	779
fried ham	12	17	12	7	0	615	863	827	793	654
pancakes	28	63	27	24	0	1377	3312	1743	1752	1297
French toast	34	12	26	18	0	2300	1389	1476	1576	1681
scrambled eggs	47***	43***	39***	37	0	2548	2334	2089	2192	2212
cold cereal	15	15	12	10	0	800	778	731	803	768
skim milk	66	66	66	57	0	3478	3478	3478	3478	3478
whole milk	3	3	3	0	0	175	175	175	175	175
coffee	70***	70***	69***	59**	0	3497	3512	3612	3597	3581
hot tea	40	40	41	47***	70***	2069	2109	2211	2075	2075
iced tea	40	40	41	47	70***	2081	1056	2112	2333	2100
fountain drink	49***	53***	54***	63***	61***	2217	2749	2757	2566	2239
ice	70***	70***	70***	70***	70***	3630	3618	3624	3630	3630
oatmeal	1	2	1	1	0	122	103	99	76	61
watermelon	60***	60***	60***	50	0	968	763	428	534	677
pineapple	45*	45	40	30	0	2413	2425	2451	2312	2433
cantaloupe	47***	47***	45***	35	0	1287	1286	1290	1301	1287
grapefruit	12	15*	15	11	0	778	779	783	775	715
passion fruit	30	35	45	43	0	1563	1823	2345	2330	2312
kiwi	30	35	35	35	0	1547	1837	1832	1815	1821
papaya	46	47	44	39	0	2401	2412	2397	2076	2073
banana	50***	53***	59***	49***	70***	2593	2852	3112	3018	2987
apple juice	55	54	49	47*	65**	2853	2853	2597	2540	2543
grapefruit juice	0	0	0	0	0	1238	1227	1199	1328	1213
hamburger	70***	70***	70***	59	0	2567	2312	2214	2237	2412
fried chicken	23	14	12	30	0	1296	769	756	1612	987
prime rib	70***	69	58	43	0	3630	3627	3200	2300	2413
Hawaiian ham	59	53	36	38	0	3085	2714	1869	2078	2217
green beans	68**	60	60	53	0	3530	3121	3108	3123	3119
carrots	63	60	38	41	0	3269	3114	1999	2133	2210
creamed corn	35	38***	34	31	0	1036	667	623	519	543
broccoli	33	45	27	28	0	1813	2334	1554	1563	1567
tossed salad	41	63	40	32	0	2232	3278	3206	2111	2328
white rice	53***	48***	43***	70***	70***	2750	2599	2319	2526	2417
mashed potatoes	69***	67*	65	54	0	3602	3526	3418	3515	3591
boiled potatoes	52*	50	54	36	0	2704	2594	2852	2598	2419
potato salad	43	37*	40	13	0	2333	2071	2075	2140	2167
cole slaw	34	33	33	12	0	1728	1823	1873	1856	1917
tomato slices	70***	70***	69**	59	0	3387	1292	1721	1312	1097
asparagus	33	12	25	0	0	1847	1783	1299	1717	787
yogurt	40	12	18	0	0	2047	1555	1113	1719	1982
leaf lettuce	15	33	39	26	0	863	1888	2077	1350	1613
cheddar cheese	25	25	27	23	0	3312	1543	1397	1192	2109
white bread	35	35	35	35	70***	1763	1918	2019	1815	1772
apple sauce	13	17	14	11***	70***	694	893	771	663	894
ice cream	20	23	24	21	0	1067	1284	1281	1093	1123
apple pie	56*	53*	49*	48	0	2988	2748	2587	2554	2548
chocolate cake	66**	67*	56*	43	0	3423	3478	3005	3397	3414
cheese cake	61	60*	58*	48	0	3400	3200	3010	3111	3093
* indicates food consumed by a sickened crewmember