The title IV-E State Plan must set forth specific goals as required by the provisions of title IV- E of the Federal Social Security Act for the Federal fiscal years commending on or after October 1, 1983 establishing the maximum number of children who, at any one time during such year, will remain in foster care after having been in foster care for more than 24 months. For the Federal fiscal year commencing on October 1, 2005 and thereafter, the goal is 55 percent of all children in foster care with respect to whom assistance under the State title IV-E Plan for foster care and adoption assistance is provided during such years.