You might want to double check your info on that one. The US Postal Service lost $32 Billion over the past four years.
USPS losses:
* 2011: $5.1 Billion
* 2012: $15.9 Billion
* 2013: $5.5 Billion
* 2014: $5.5 Billion
2011/2012: http://money.cnn.com/2012/11/15/news/economy/postal-service-...
2013: https://about.usps.com/news/national-releases/2013/pr13_087....
2014: https://about.usps.com/news/national-releases/2014/pr14_059....