How much in total would I have to pay for the iPhone 5s with the 2 year contract?

I'm fairly new with the whole cellphone thing so bear with me.

I have to pay $199.99 first and then pay the monthly price for 2 years, but in estimation, how much is the monthly price? Like, $70 including data (2gb)? I know it depends on the person but I'm talking about the average cost.

Added (1). I'll add a bit about me because I've just realised that it depends on a lot of stuff.

I'm 16, I don't text or call very often, I think 2gb will be best for me, maybe 1gb as well. So what would be the best paymemt method?

Monthly 2 year contract cost is $60 - $100 depending on the carrier.So:

$220 for the phone and estimated taxes.
$1440 - $2400 for 24 months.

$1660 - $2620 total.