GA SEVERAL SOLUTIONS FOR OPTIMIZATION PROBLEMS.

hi, I am new to MATLAB ,I am wondering if anyone knows how to get several solution while using GA optimization toolbox.I have function lets call it f(x).GA finds the minimum of this function but I additionally need those solutions that are not the minimum for the function but are considerably close to the final solution.for example if we rank best solution to 1 and the worst 100 I need solutions which are ranked from 1 to 50. regards