| PERCENTAGE CHANCE OVER PREVIOUS YEAR | ||||
| Marketing Year | Barley | Milk | Beef | Pigmeat |
| 1968/69 | -1.3 | -3.5 | -0.9 | -2.0 |
| 1969/70 | +0.3 | -3.4 | -3.3 | -7.6 |
| 1970/71 | -6.5 | -5.6 | -5.9 | -3.6 |
| 1971/72 | -1.5 | -0.8 | -0.3 | -2.3 |
| 1972/73 | -1.9 | +1.5 | no change | -3.6 |
| 1973/74 | -9.4 | -1.1 | +1.9 | -4.7 |
| 1974/75 | -5.5 | -1.0 | +6.3 | -2.7 |
| 1975/76 | +5.5 | +1.4 | +1.5 | +6.8 |
| 1976/77 | -0.2 | +0.1 | +0.9 | +0.9 |