The following table presents the plot points for Figure V.C1 — Primary-insurance-amount (PIA) formula for the 2015 cohort. Plot points AIME PIA $0 $0 $413 $372 $826 $743 $2,903 $1,408 $4,980 $2,073 $5,490 $2,149 $6,000 $2,226 RETURN TO TRUSTEES REPORT.