(WSPA)–February 9 is National Pizza Day.

Here are some pizza facts from nationdaycalendar.com:

-Pepperoni is the most popular pizza at 36% of all pies ordered.

-Over 3 billion pizzas are sold in the USA each year. Add another 1 billion on frozen pizzas

-17% of all US Restaurants are pizzerias.

-Americans consume on average 23 pounds of pizza per person each year.

There are some deals to help celebrate.

Little Caesars: Plans to announce deal at noon

Whole Foods: Large Take & Bake pizzas on sale for $9.99

Domino’s: Facebook announcement expected Friday