The following table presents the plot points for Figure V.C1 — Primary-insurance-amount (PIA) formula for the 2018 cohort. Plot points AIME PIA $0 $0 $448 $403 $895 $806 $3,146 $1,526 $5,397 $2,246 $6,199 $2,366 $7,000 $2,487 RETURN TO TRUSTEES REPORT.