Frequencies for ad variable in dapstate2014 dataset :

                          ad |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
            100.356199979782 |          1        1.92        1.92
            100.357809782028 |          1        1.92        3.85
            100.428979873657 |          1        1.92        5.77
            100.633089780808 |          1        1.92        7.69
            100.746309995651 |          1        1.92        9.62
            102.093799829483 |          1        1.92       11.54
            102.603089809418 |          1        1.92       13.46
            102.954539775848 |          1        1.92       15.38
            104.403069972992 |          1        1.92       17.31
            106.056179761887 |          1        1.92       19.23
            107.017129898071 |          1        1.92       21.15
            107.638559818268 |          1        1.92       23.08
            107.881679773331 |          1        1.92       25.00
            109.188399791718 |          1        1.92       26.92
            110.330409765244 |          1        1.92       28.85
            110.712639808655 |          1        1.92       30.77
            110.765749931335 |          1        1.92       32.69
            111.118859767914 |          1        1.92       34.62
            111.173699855804 |          1        1.92       36.54
            113.105049848557 |          1        1.92       38.46
            113.144599914551 |          1        1.92       40.38
            113.688829898834 |          1        1.92       42.31
            117.152609825134 |          1        1.92       44.23
              81.81693983078 |          1        1.92       46.15
            83.2971398830414 |          1        1.92       48.08
            84.5984299182892 |          1        1.92       50.00
            85.2222599983215 |          1        1.92       51.92
            85.2439298629761 |          1        1.92       53.85
            86.1197199821472 |          1        1.92       55.77
            86.5080797672272 |          1        1.92       57.69
            86.7978398799896 |          1        1.92       59.62
             88.371649980545 |          1        1.92       61.54
            89.5810098648071 |          1        1.92       63.46
             89.855409860611 |          1        1.92       65.38
            91.7310497760773 |          1        1.92       67.31
            92.9138998985291 |          1        1.92       69.23
            93.1771399974823 |          1        1.92       71.15
            93.8294398784637 |          1        1.92       73.08
           93.92519998550419 |          1        1.92       75.00
            94.0401298999786 |          1        1.92       76.92
            94.4272799491882 |          1        1.92       78.85
            94.5574097633362 |          1        1.92       80.77
            94.8381199836731 |          1        1.92       82.69
            95.4389598369598 |          1        1.92       84.62
            95.9653499126434 |          1        1.92       86.54
            95.9750199317932 |          1        1.92       88.46
            98.6535098552704 |          1        1.92       90.38
            98.8379597663879 |          1        1.92       92.31
           99.07506990432741 |          1        1.92       94.23
            99.1443998813629 |          1        1.92       96.15
            99.6835498809814 |          1        1.92       98.08
            99.9231698513031 |          1        1.92      100.00
-----------------------------+-----------------------------------
                       Total |         52      100.00

by Jean Roth , jroth@nber.org , 18 Oct 2016