Here's a breakdown of Madonna's MDNA show by the numbers:

• 21,000,000 fans are expected to have seen the show by the time it wraps in South America.

• 72,000 fans saw Madonna's sold-out show in Quebec, the largest attendance of the entire tour.

• 16,630 miles of road were traveled during the U.S. leg alone.

• 700 wardrobe pieces are required for all the performers onstage.

• 410 bottles of aspirin have been used, so far, by the 130-person crew.

• 89 shows in total in 28 different countries -- 18 of those stops were in cities where Madonna had never performed.

• 29 trucks carry the tour's production (36 will be required for the South American leg).

• 24 guitars are used by Madonna and her band each night.

• 16 different salad dressings at required by the crew for nightly craft services.
• 15 buses to take the show from city to city.
• 3 physical therapists are on hand for the 22 dancers.