West Des Moines-based insurance and annuity company FBL Financial Group Inc. reported that its employee retirement benefit plan had total assets available for benefits of $161 million at the end of 2010, an increase of $28.5 million, or 21.5 percent, from the end of 2009.

In a filing with the Securities and Exchange Commission, FBL said its 401(k) plan portfolio held $104 million in mutual funds, $27.8 million in a pooled investment trust and $25.1 million in a group flexible premium deferred annuity.

During the year, investments appreciated $25.7 million, employees contributed $9.5 million to the plan and the company contributed $4.4 million. The plan paid out $11.7 million in benefits to participants.