Milk, GI and Insulin Response

But then again can anybody say me why Milk has a low Glycaemic index but produces a
*high* Inuslin response?

In addition as far as I know this is the only index done thus far & all web sources use it:

Food Gllycemic Score Inmsulin Score BREAKFAST CEREALS All-Bran 40 32 Poridge (Oatmeal) 60 40 Muesli 60 40 Special K 70 66 Honeysmacks 60 67 Sustain 66 71 Cornflakes 76 75 CARBOHYDRATE-RICH FOODS White pasta 46 40 Brown pasta 68 40 Grain [rye] bread 60 56 Brown rice 104 62 Frewnch fries 71 74 White rice 110 79 Whole-meal bread 97 96 White bread 100 100 Potatoes 141 121 PROTEIN-RICH FOODS Eggs 42 31 Chgeese 55 45 Beef 21 51 Lentils 62 58 Fish 28 59 Baked beans 114 120 FRUIT Apples 50 59 Oragnes 39 60 Bananas 79 81 Grapes 74 82 SNACKS AND CONFECTIONARY Peanuts 12 20 Popcorn 62 54 Potato chips 52 61 Ice cream 70 89 Yogurt 62 115 Mars bar 79 112 Jellybeans 118 160 BAKERY PRODUCTS Douhgnuts 63 74 Croissants 74 79 Cake 56 82 Crackers 118 87 Cookeis 74 92