| County | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 1/ |
| Yield per acre (tons) | ||||||
| NORTH DISTRICT | ||||||
| Hunterdon | 3.0 | 4.4 | 2.0 | 3.2 | 3.5 | 3.5 |
| Morris | 3.2 | 4.3 | 1.7 | 4.3 | 3.1 | 3.4 |
| Somerset | 3.5 | 4.7 | 1.7 | 4.3 | 4.0 | 3.7 |
| Sussex | 3.5 | 4.4 | 2.1 | 3.7 | 3.3 | 3.2 |
| Warren | 2.5 | 4.3 | 2.4 | 4.0 | 3.9 | 3.5 |
| CENTRAL DISTRICT | ||||||
| Burlington | 3.0 | 3.3 | 3.4 | 4.6 | 3.0 | 3.5 |
| Mercer | 3.2 | 3.8 | 3.4 | 3.8 | 2.9 | 3.5 |
| Middlesex | 3.3 | 3.7 | 2.4 | 2/ | 2/ | 2/ |
| Monmouth | 3.1 | 3.5 | 2.8 | 3.6 | 3.6 | 3.7 |
| Ocean | 2/ | 2/ | 2.8 | 2/ | 2/ | 2/ |
| SOUTH DISTRICT | ||||||
| Atlantic | 3.0 | 2.7 | 1.3 | 2/ | 2/ | 2/ |
| Camden | 3.1 | 2.8 | 2.6 | 2/ | 2/ | 2/ |
| Cape May | 3.5 | 2.6 | 1.3 | 2/ | 2/ | 2/ |
| Cumberland | 3.3 | 2.9 | 2.1 | 4.1 | 3.9 | 3.8 |
| Gloucester | 3.4 | 3.3 | 2.5 | 3.3 | 3.1 | 3.6 |
| Salem | 3.2 | 2.6 | 2.4 | 3.4 | 3.5 | 3.7 |
| Other Counties | 3.4 | 4.2 | 2.2 | 2.7 | 3.2 | 3.6 |
| STATE | 3.1 | 3.9 | 2.3 | 3.7 | 3.5 | 3.5 |
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| NORTH DISTRICT | ||||||
| Hunterdon | 14,700 | 20,680 | 9,600 | 15,680 | 16,800 | 15,400 |
| Morris | 2,880 | 5,160 | 2,040 | 3,870 | 3,100 | 2,380 |
| Somerset | 5,600 | 7,050 | 2,550 | 6,450 | 9,200 | 4,810 |
| Sussex | 18,900 | 22,880 | 11,760 | 15,540 | 15,510 | 11,840 |
| Warren | 12,500 | 22,360 | 12,480 | 23,200 | 19,890 | 15,750 |
| CENTRAL DISTRICT | ||||||
| Burlington | 6,900 | 6,930 | 7,140 | 10,580 | 7,500 | 8,750 |
| Mercer | 1,280 | 1,520 | 1,360 | 1,900 | 1,450 | 1,750 |
| Middlesex | 1,320 | 1,110 | 720 | 2/ | 2/ | 2/ |
| Monmouth | 4,960 | 5,600 | 4,480 | 6,120 | 6,480 | 5,550 |
| Ocean | 2/ | 2/ | 560 | 2/ | 2/ | 2/ |
| SOUTH DISTRICT | ||||||
| Atlantic | 600 | 540 | 260 | 2/ | 2/ | 2/ |
| Camden | 620 | 560 | 520 | 2/ | 2/ | 2/ |
| Cape May | 700 | 520 | 260 | 2/ | 2/ | 2/ |
| Cumberland | 3,300 | 4,060 | 2,940 | 5,740 | 3,900 | 3,800 |
| Gloucester | 3,740 | 4,290 | 3,250 | 4,950 | 4,950 | 3,600 |
| Salem | 8,320 | 8,060 | 8,640 | 12,920 | 13,650 | 12,210 |
| Other Counties | 680 | 1,680 | 440 | 4,050 | 2,560 | 2,160 |
| STATE | 87,000 | 113,000 | 69,000 | 111,000 | 105,000 | 88,000 |