Source of graph: online version of the WSJ article quoted and cited below.
(p. A1) The average cost of employer health coverage offered to workers rose to nearly $20,000 for a family plan this year, according to a new survey, capping years of increases that experts said are chiefly tied to rising prices paid for health services.
For the full story, see:
Anna Wilde Mathews. “‘Health Coverage Costs Firms $20,000 a Family.” The Wall Street Journal (Thursday, Oct. 4, 2018): A1 & A6.
(Note: the online version of the story has the date Oct. 3, 2018, and has the title “Employer-Provided Health Insurance Approaches $20,000 a Year.”)