2.5 million: Number of people living in the colonies in 1776

300 million: Number of people expected to be living in the U.S. by the next census

150 million: Number of hot dogs expected to be eaten by Americans today

201.9 million: Value of fireworks imported from China in 2005

$5.5 million: Value of imports of U.S. flags

$5 million: Value of the flags made in China

Source: U.S. Census Bureau