Caffeine Content of chocolate, cocoa and coffee

Here's information on caffeine in drinks, culled from here and there. 

Drinking 5 cups of coffee a day gives an intake of 228g caffeine a year.

To visualise this amount imagine a retail bag of ground coffee.

Text version:

Mug of brewed coffee 100 – 125 mg

Ben & Jerry's Coffee Fudge Frozen Yogurt - mug 85 mg

Mug of instant coffee 70 mg

Bar of dark chocolate 65 mg

Can of Cola – 350 ml 50 mg

Mug of tea 45 - 75 mg

30g dark chocolate (a third of a bar) 20 mg

Mug of cocoa 15 mg

Mug of green or white tea 15 mg

30g milk chocolate (a third of a bar) 6 mg

Mug of decaffeinated coffee 2 mg