“Revenue increased in all of the nation’s 11 service sectors for employer firms, according to 2013 Service Annual Survey statistics released today by the U.S. Census Bureau. Within the utilities sector, natural gas distribution showed a revenue increase of 15.7 percent, from $82.2 billion in 2012 to $95.1 billion in 2013.  The Service Annual Survey provides the most comprehensive national statistics available each year on service industry activity in the U.S. In 2009, the survey expanded to include data for all service industries, which account for approximately 55 percent of the U.S. gross domestic product.”