Cheese And Cracker Display How Much Food For 100 People?

How much food for 100 people? - cheese and cracker display

I am planning a wedding for 100 people.

1. Appetizers
- Cheese, fruit, nuts Screen
- Vegetable dip, spread-screen
- Bread, crackers display
- Shrimp Cocktail
- Sushi
- Pancetta Scallops
- Mushrooms stuffed with crab
- Chicken, tomato, Crostini
- Broccoli Cheddar Quiche
- Tomato, Potato Knish
2. Soup
- Pumpkin Soup
- Lobster Bisque
3. Salad
- Tomato and Mozzarella Salad Mixed
- Parmesan Caesar Salad
4. Intermezzo
- Lemon Ice
5. Appetizers
- Cream of grilled onions on fire with herbs Filet Mignon with Mashed Potatoes
- Oven-roasted lobster tail with Newberg sauce, rice and lemon cream
- Crab baked salmon stuffed with carrots over candy
- Crispy eggplant parmesan with angel hair pasta and roasted squash
- Encrusted Chicken with noodles and cheese and sweet tomato sugar
6. Hot drinks
7. Dessert
- Cake
- Mini-cheesecakes
- Mini-Cakes
- 5-Tier Wedding Cake

I need to know how much of each element, nee isD to serve 100 people. When that day appetizers, soup, etc. Please help!