A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
225
A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
No president of the United States was an only child for his parents.
51
Wyoming has only 2 sets of escalators in the entire state.
17
91% of Americans eat turkey on Thanksgiving.
197

