Coins usually survive in circulation for about 30 years.
66
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
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
Ninety-nine percent of pumpkins sold in the United States are for the sole purpose of decoration.
55
Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
Macklemore and his hit “Thrift Shop” was the first time since 1994 that a song reached number 1 on the Hot 100 chart without the support of a major record label.
2
