 During his time with the legislature Olson was routinely received high marks on the Taxpayer's League of Minnesota annual score card, and received the fiscally conservative groups "Best friend of the Taxpayer" award Five times for perfect scores.He also frequently scored high on the Legislative Evaluation Assembly of Minnesota (LEA) score card which "bases its evaluation on the traditional American principles of constitutionalism, limited government, free enterprise, legal and moral order with justice and individual liberty and dignity.