This document is about a detailed table from the Internal Revenue Service (IRS) that provides burden estimates for different types of Form 5500 filers. The table includes information on the number of 5500s and schedules filed, as well as the estimated burden hours per schedule for various filer types, such as large plans, small eligible plans, and small ineligible plans. The data covers defined benefit (DB), defined contribution (DC), and welfare plans, both master and single-employer.