50 Amazing Numbers About the Economy By Morgan Housel | More Articles     The Motley Fool October 21, 2011 Did you know that…  (emphasis in orange from WAMMToday editor) 50. From 1948 until 2007, the average duration of unemployment was 13.5 weeks. Today, it’s 40.5 weeks. 49. In 1982, a 30-year mortgage carried an interest rate of 17.6%. Today, it’s More