Group 1, 2000, Total value of 61.

Item 1, Bt only value of 15 which is 24.6% of 2000.

Item 2, Stacked (Bt and HT) value of 20 which is 32.8% of 2000.

Item 3, HT only value of 26 which is 42.6% of 2000.

Group 2, 01, Total value of 69.

Item 1, Bt only value of 13 which is 18.8% of 01.

Item 2, Stacked (Bt and HT) value of 24 which is 34.8% of 01.

Item 3, HT only value of 32 which is 46.4% of 01.

Group 3, 02, Total value of 71.

Item 1, Bt only value of 13 which is 18.3% of 02.

Item 2, Stacked (Bt and HT) value of 22 which is 31.0% of 02.

Item 3, HT only value of 36 which is 50.7% of 02.

Group 4, 03, Total value of 73.

Item 1, Bt only value of 14 which is 19.2% of 03.

Item 2, Stacked (Bt and HT) value of 27 which is 37.0% of 03.

Item 3, HT only value of 32 which is 43.8% of 03.

Group 5, 04, Total value of 76.

Item 1, Bt only value of 16 which is 21.1% of 04.

Item 2, Stacked (Bt and HT) value of 30 which is 39.5% of 04.

Item 3, HT only value of 30 which is 39.5% of 04.

Group 6, 05, Total value of 79.

Item 1, Bt only value of 18 which is 22.8% of 05.

Item 2, Stacked (Bt and HT) value of 34 which is 43.0% of 05.

Item 3, HT only value of 27 which is 34.2% of 05.

Group 7, 06, Total value of 83.

Item 1, Bt only value of 18 which is 21.7% of 06.

Item 2, Stacked (Bt and HT) value of 39 which is 47.0% of 06.

Item 3, HT only value of 26 which is 31.3% of 06.

Group 8, 07, Total value of 87.

Item 1, Bt only value of 17 which is 19.5% of 07.

Item 2, Stacked (Bt and HT) value of 42 which is 48.3% of 07.

Item 3, HT only value of 28 which is 32.2% of 07.

Group 9, 08, Total value of 86.

Item 1, Bt only value of 18 which is 20.9% of 08.

Item 2, Stacked (Bt and HT) value of 45 which is 52.3% of 08.

Item 3, HT only value of 23 which is 26.7% of 08.

Group 10, 09, Total value of 88.

Item 1, Bt only value of 17 which is 19.3% of 09.

Item 2, Stacked (Bt and HT) value of 48 which is 54.5% of 09.

Item 3, HT only value of 23 which is 26.1% of 09.

Group 11, 10, Total value of 93.

Item 1, Bt only value of 15 which is 16.1% of 10.

Item 2, Stacked (Bt and HT) value of 58 which is 62.4% of 10.

Item 3, HT only value of 20 which is 21.5% of 10.

Group 12, 11, Total value of 90.

Item 1, Bt only value of 17 which is 18.9% of 11.

Item 2, Stacked (Bt and HT) value of 58 which is 64.4% of 11.

Item 3, HT only value of 15 which is 16.7% of 11.

Group 13, 12, Total value of 94.

Item 1, Bt only value of 14 which is 14.9% of 12.

Item 2, Stacked (Bt and HT) value of 63 which is 67.0% of 12.

Item 3, HT only value of 17 which is 18.1% of 12.

Group 14, 13, Total value of 90.

Item 1, Bt only value of 8 which is 8.9% of 13.

Item 2, Stacked (Bt and HT) value of 67 which is 74.4% of 13.

Item 3, HT only value of 15 which is 16.7% of 13.

Group 15, 14, Total value of 96.

Item 1, Bt only value of 5 which is 5.2% of 14.

Item 2, Stacked (Bt and HT) value of 79 which is 82.3% of 14.

Item 3, HT only value of 12 which is 12.5% of 14.

Group 16, 15, Total value of 94.

Item 1, Bt only value of 5 which is 5.3% of 15.

Item 2, Stacked (Bt and HT) value of 79 which is 84.0% of 15.

Item 3, HT only value of 10 which is 10.6% of 15.

Group 17, 16, Total value of 93.

Item 1, Bt only value of 4 which is 4.3% of 16.

Item 2, Stacked (Bt and HT) value of 80 which is 86.0% of 16.

Item 3, HT only value of 9 which is 9.7% of 16.

Group 18, 17, Total value of 96.

Item 1, Bt only value of 5 which is 5.2% of 17.

Item 2, Stacked (Bt and HT) value of 80 which is 83.3% of 17.

Item 3, HT only value of 11 which is 11.5% of 17.

Group 19, 2018, Total value of 94.

Item 1, Bt only value of 3 which is 3.2% of 2018.

Item 2, Stacked (Bt and HT) value of 82 which is 87.2% of 2018.

Item 3, HT only value of 9 which is 9.6% of 2018.

Note: HT indicates herbicide-tolerant varieties; Bt indicates insect-resistant varieties (containing genes from the soil bacterium Bacillus thuringiensis).

Source: USDA, Economic Research Service using data from USDA, National Agricultural Statistics Service, (annual) June Agricultural Survey.