State of the Union: What the numbers say

Barack Obama arrives to speak about NSA surveillance, Jan. 17, 2014.
Barack Obama arrives to speak about NSA surveillance, Jan. 17, 2014.

The U.S. economy showed overall growth in 2013 and the number of Americans enrolling in health insurance exchanges topped 2 million, but President Obama's approval rating has fallen 25 percentage points since he took office in 2009. The U.S. remains divided on key issues. Here are some of those numbers.