The schedule of decade dollar amounts per year of credited service is:
Formula Decades in Which Credited Service Was Accrued Service Annual $ Increase Per Year of Credited Service 2000 – and later $5 1990–1999 $10 1980–1989 $20 1970–1979 $30 1960–1969 $40 1950–1959 $50 1940–1949 $60 1930–1939 $70 1920–1929 $80 1910–1919 $90
table.