| Year | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. |
| Cents Per Pound | |||||||
| 1963 | 32.7 | 33.7 | 34.5 | 34.5 | 34.0 | 33.5 | 33.5 |
| 1968 | 27.0 | 23.0 | 22.0 | 23.0 | 24.0 | 23.5 | 22.5 |
| 1973 | 29.5 | 29.0 | 27.5 | 30.0 | 32.0 | 33.0 | --- |
| 1978 | 49.4 | 49.6 | 51.7 | 52.1 | 53.7 | 56.2 | 55.7 |
| 1983 | 57.9 | 56.2 | 59.2 | 60.4 | 61.2 | 61.0 | 61.2 |
| 1988 | 61.9 | 56.5 | 56.9 | 58.1 | 59.5 | 60.1 | --- |
| 1989 | 54.9 | 51.2 | 54.7 | 58.8 | 58.8 | 52.3 | 58.2 |
| 1990 | 61.6 | 57.7 | 63.9 | 64.5 | 65.6 | 64.8 | 65.0 |
| 1991 | 65.1 | 67.6 | 66.0 | 64.9 | 64.4 | 64.3 | 64.3 |
| 1992 | 54.2 | 53.0 | 52.6 | 55.7 | 56.0 | 56.0 | 56.1 |
| 1993 | 52.5 | 54.1 | 56.3 | 55.1 | 52.8 | 52.5 | 52.5 |
| 1994 | 60.6 | 64.1 |
|
|
|
|
|
| 1995 | 72.1 | 78.6 | 71.0 | 70.4 | 73.8 | 70.2 | 69.9 |
| 1996 | 73.4 | 73.4 | 74.3 | 77.9 | 74.7 | 73.6 | 73.4 |
| 1997 | 66.3 | 67.1 | 67.4 | 66.2 | 66.0 | 65.5 | 66.1 |
| 1998 | 63.7 | 63.3 | 63.1 | 64.0 | 64.4 | 67.6 | 66.5 |
| Year | Aug. | Sep. | Oct. | Nov. | Dec. |
Market Year Average 1 |
||
| Cents Per Pound | ||||||||
| 1963 | 33.5 | 34.0 | 33.8 | 32.8 | 31.5 |
34.73 |
||
|
|
|
29.0 | 28.0 | 25.0 | 22.5 |
23.93 |
||
|
|
|
--- | 33.5 | 34.5 | 36.0 |
37.90 |
||
|
|
|
56.6 | 59.5 | 61.5 | 61.4 |
60.00 |
||
|
|
|
62.8 | 64.9 | 67.1 | 65.7 |
66.20 |
||
| 1988 | 51.5 | 50.6 | 52.0 | 53.2 | 53.0 |
53.7 |
||
| 1989 | 50.8 | 66.0 | 64.3 | 63.5 | 61.6 |
62.9 |
||
| 1990 | 65.0 | 65.9 | 65.3 | 65.7 | 65.3 |
65.4 |
||
| 1991 | 55.9 | 57.7 | 59.0 | 56.5 | 55.8 |
55.2 |
||
| 1992 | 52.2 | 52.9 | 51.6 | 51.0 | 52.4 |
52.6 |
||
| 1993 | 50.0 | 50.1 | 52.8 | 52.2 | 56.3 |
57.5 |
||
| 1994 | 65.0 | 67.7 | 68.1 | 66.9 | 73.5 |
71.7 |
||
| 1995 | 71.5 | 73.4 | 75.3 | 73.5 | 71.8 |
73.4 |
||
| 1996 | 73.5 | 72.6 | 71.7 | 68.9 | 66.0 |
68.0 |
||
| 1997 | 67.9 | 68.9 | 66.7 | 66.0 | 63.7 |
64.9 |
||
|
|
|
66.9 | ||||||