Missing values per attribute:
    0.0% age
    6.0% workclass
    0.0% fnlwgt
    0.0% education
    0.0% education-num
    0.0% marital-status
    6.0% occupation
    0.0% relationship
    0.0% race
    0.0% sex
    0.0% capital-gain
    0.0% capital-loss
    0.0% hours-per-week
    2.4% native-country
