4,000: Number of licensed balloon pilots in the U.S.

$225 to $275: Average amount per person for a balloon flight in the U.S.

16 years: Age requirement to get a balloon pilot license.

15 minutes: Time a good ground crew can inflate and launch a regular shaped balloon.

$25,000: Cost of the most popular sport-size balloons.

Source: www.hotairballooning.com