This document is about a detailed statistical report on group health plans that filed a Form 5500 in 2009. It includes information on the distribution of plans by funding mechanism (self-insured, mixed-insured, fully-insured), plan characteristics such as number of participants and benefits offered, funding and benefit arrangements, plan assets and liabilities, contributions, investments, and expenses. The report also discusses the methodology used to classify plans based on the Form 5500 data.