Frequencies for ao variable in dapstate2014 dataset :

               ao |      Freq.     Percent        Cum.
------------------+-----------------------------------
 13.1798858642578 |          1        1.92        1.92
 31.6962280273438 |          1        1.92        3.85
 32.0235290527344 |          1        1.92        5.77
 36.7545471191406 |          1        1.92        7.69
 36.9457092285156 |          1        1.92        9.62
 37.6708679199219 |          1        1.92       11.54
 41.0551452636719 |          1        1.92       13.46
 42.7080383300781 |          1        1.92       15.38
 43.0921020507813 |          1        1.92       17.31
 43.2290344238281 |          1        1.92       19.23
 43.9247741699219 |          1        1.92       21.15
 45.0210571289063 |          1        1.92       23.08
 45.2299499511719 |          1        1.92       25.00
 45.4464416503906 |          1        1.92       26.92
 45.5442810058594 |          1        1.92       28.85
 46.0393371582031 |          1        1.92       30.77
 46.2579040527344 |          1        1.92       32.69
   46.83251953125 |          1        1.92       34.62
 46.9061584472656 |          1        1.92       36.54
 47.4237060546875 |          1        1.92       38.46
  47.845947265625 |          1        1.92       40.38
  48.478271484375 |          1        1.92       42.31
 49.1741943359375 |          1        1.92       44.23
 49.6583862304688 |          1        1.92       46.15
 50.5852661132813 |          1        1.92       48.08
 51.5496826171875 |          1        1.92       50.00
 51.6916198730469 |          1        1.92       51.92
 52.0261840820313 |          1        1.92       53.85
 52.9961853027344 |          1        1.92       55.77
 53.3194580078125 |          1        1.92       57.69
 53.9435729980469 |          1        1.92       59.62
 54.3828430175781 |          1        1.92       61.54
 54.5357971191406 |          1        1.92       63.46
 54.6598815917969 |          1        1.92       65.38
 55.7862854003906 |          1        1.92       67.31
 56.5021057128906 |          1        1.92       69.23
 56.7096862792969 |          1        1.92       71.15
 57.6980590820313 |          1        1.92       73.08
 58.0020751953125 |          1        1.92       75.00
 59.1007690429688 |          1        1.92       76.92
 59.8082275390625 |          1        1.92       78.85
 60.9254760742188 |          1        1.92       80.77
 61.2017517089844 |          1        1.92       82.69
 61.2640380859375 |          1        1.92       84.62
65.02886962890631 |          1        1.92       86.54
65.06646728515631 |          1        1.92       88.46
65.30487060546881 |          1        1.92       90.38
 65.8001708984375 |          1        1.92       92.31
68.53948974609381 |          1        1.92       94.23
70.02069091796881 |          1        1.92       96.15
70.34429931640631 |          1        1.92       98.08
   72.96923828125 |          1        1.92      100.00
------------------+-----------------------------------
            Total |         52      100.00

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