Plans with fewer or more than 250 participants: Ambulatory health care services: 44% of plans with fewer than 250 participants offered automatic increases; 75% of plans with 250 or more participants offered automatic increases. Legal services: 55% of plans with fewer than 250 participants offered automatic increases; 67% of plans with 250 or more participants offered automatic increases. Vanguard benchmark: 69% of all plans offered automatic increases.