In Account Summary, the scheduled mode (e.g. monthly, quarterly, etc.) for the payment of Income Amounts, as set forth in the annuity policy.
Annually since 1951 (except 1954); reported data are for activity taking place over the prior calendar year. Data collection begins in January following the end of the survey year. New samples are chosen approximately every 5 years and are updated quarterly. Use of the latest sample began in the 1999 survey year.
Number of coupon installments paid annually. Zero-coupon bonds, which pay no coupons, have frequencies of zero. Corporate bonds typically pay interest twice a year (semi-annually). CMOs pay interest either monthly or quarterly, while mortgage pools pay once a month. Eurobonds often pay annually.