numpass      height
            0           20.7
            25          12.9
            75          11.8
            200          7.6
            500          7.8
            0           15.9
            25          13.4
            75          12.6
            200          9.5
            500          9.0
            0           17.8
            25          12.7
            75          11.4
            200          9.9
            500          8.5
            0           17.6
            25           9.0
            75          12.1
            200          9.0
            500          6.7