According to a recent report:

• Almost 70% of workers with an HRA or HSA said their employers contributed to the account in 2012
• Between 2009 and 2011, employer contributions of $200−$499 increased from 14% to 22%
• Between 2009 and 2011, employers that contributed $1,000 or more increased from 24% to 28%
• Among workers with family coverage, employer contribution levels were unchanged between 2010 and 2012, with 63% contributing $1,000 or more

Source: "HRA/HSA Health Plan Contributions Continue to Grow," Employee Benefit Research Institute Press Release, February 20, 2013, http://www.ebri.org/publications/prel/