| http://www.w3.org/ns/prov#value | - Annualized investment yield, excluding limited partnerships and other alternative investments, was up slightly to 4.2% in the fourth quarter of 2012 compared to 4.1% in the fourth quarter of 2011 due to modest duration extension of the portfolio and a slight increase in higher yielding asset classes in the company's general account offset by reinvestment at lower interest rates.
|
