The following table presents the plot points for Figure V.C1 — Primary-insurance-amount (PIA) formula for the 2021 cohort. Plot points AIME PIA $0 $0 $498 $448 $996 $896 $3,499 $1,697 $6,002 $2,498 $6,501 $2,573 $7,000 $2,648 RETURN TO TRUSTEES REPORT.