According to the New York Times, 158 families funded about half of the presidential campaigns so far. With great effect, the Times used Monopoly house and hotel pieces to show this number. The main point of impact comes from the scaled comparison at the beginning, against the backdrop of the White House.
Monopoly pieces to show presidential funding
Unemployment in America, Mapped Over Time
Watch the regional changes across the country from 1990 to 2016.
Divorce and Occupation
Some jobs tend towards higher divorce rates. Some towards lower. Salary also probably plays a role.