How much money does a teen spend on cell phones in a month?

well im 16 and i have Verizon and are cell phone bill is 90 dollars a month with just to phones and 700 shared minutes the first phone is 60 and to add aline and extra minites is 20 plus i have txting for 5 and insurance because i have broken my phone 3 times [they make them so cheap} hehe