Percent Change in Single and Family Premiums for Employer-Sponsored Health Insurance. This infographic shows Percentage Change in Premiums Year Over Year for 2009-2013 for Single, Employee-Plus-One, and Family coverage.
Average annual total premiums across all three coverage types were up in 2013 compared to 2012. Single premiums rose 3.5 percent, employee-plus-one premiums rose 3.5 percent, and family premiums rose 3.6 percent. 
Single coverage: 2009 – 6.5%, 2010 – 5.8%, 2011 – 5.7%, 2012 – 3.1%, 2013 – 3.5%.
Employee-Plus-One coverage: 2009 – 6.1%, 2010 – 6.7%, 2011 – 6.9%, 2012 – 2.8%, 2013 – 3.5%.
Family coverage: 2009 – 5.9%, 2010 – 6.5%, 2011 – 8.3%, 2012 – 3.0%, 2013 – 3.6%.
Source: Crimmel, B.L. Selection and Costs for Employer-Sponsored Health Insurance in the Private Sector, 2013 versus 2012. Statistical Brief #445. July 2014. Agency for Healthcare Research and Quality, Rockville, MD. http://meps.ahrq.gov/mepsweb/data_files/publications/st445/stat445.shtml