YEAR	YIELD	EFFORT	PRICE/LB
63	317	422	$0.45
64	253	501	$0.49
65	248	576	$0.18
66	295	535	$0.14
67	345	480	$0.17
68	315	536	$0.24
69	309	616	$0.69
70	282	619	$0.75
71	300	608	$0.37
72	237	635	$0.75
73	333	623	$0.73
74	282	684	$1.17
75	230	681	$1.21
76	288	626	$0.46
77	278	585	$0.30
78	347	518	$0.24
79	300	531	$0.16
80	257	574	$0.46
81	232	634	$0.81
82	309	592	$0.24
83	328	532	$0.45
84	329	500	$0.50
85	280	559	$0.44
86	348	532	$0.51
87	310	585	$0.40
88	271	665	$1.02
89	298	725	$1.86
90	254	807	$3.10
91	231	814	$2.92
92	182	834	$3.68
93	156	884	$4.59
94	152	886	$4.76