Frequencies for al variable in dapstate2014 dataset :

               al |      Freq.     Percent        Cum.
------------------+-----------------------------------
 3.31326866149902 |          1        1.92        1.92
 3.43918991088867 |          1        1.92        3.85
 3.67077827453613 |          1        1.92        5.77
  4.2298469543457 |          1        1.92        7.69
  4.2374267578125 |          1        1.92        9.62
 4.23850631713867 |          1        1.92       11.54
 4.28373718261719 |          1        1.92       13.46
 4.29813766479492 |          1        1.92       15.38
 4.38289642333984 |          1        1.92       17.31
  4.5218391418457 |          1        1.92       19.23
 4.65057754516602 |          1        1.92       21.15
 4.71470642089844 |          1        1.92       23.08
 4.83981704711914 |          1        1.92       25.00
 4.91879653930664 |          1        1.92       26.92
 5.04226684570313 |          1        1.92       28.85
 5.13152694702148 |          1        1.92       30.77
 5.17116928100586 |          1        1.92       32.69
 5.21446990966797 |          1        1.92       34.62
 5.22865676879883 |          1        1.92       36.54
 5.46981811523438 |          1        1.92       38.46
 5.52653884887695 |          1        1.92       40.38
 5.58023834228516 |          1        1.92       42.31
  5.6461296081543 |          1        1.92       44.23
  5.7252197265625 |          1        1.92       46.15
  5.7718391418457 |          1        1.92       48.08
 5.89415740966797 |          1        1.92       50.00
 5.96925735473633 |          1        1.92       51.92
 6.01822662353516 |          1        1.92       53.85
 6.01912689208984 |          1        1.92       55.77
 6.02953720092773 |          1        1.92       57.69
 6.10884857177734 |          1        1.92       59.62
 6.11636734008789 |          1        1.92       61.54
 6.45235824584961 |          1        1.92       63.46
 6.50197982788086 |          1        1.92       65.38
 6.53848648071289 |          1        1.92       67.31
 6.56841659545898 |          1        1.92       69.23
 6.60443878173828 |          1        1.92       71.15
 6.68065643310547 |          1        1.92       73.08
  6.7716178894043 |          1        1.92       75.00
 6.92262649536133 |          1        1.92       76.92
 7.02957916259766 |          1        1.92       78.85
 7.04827880859375 |          1        1.92       80.77
  7.0889892578125 |          1        1.92       82.69
 7.18355941772461 |          1        1.92       84.62
 7.41985702514648 |          1        1.92       86.54
 7.53614807128906 |          1        1.92       88.46
 7.58308792114258 |          1        1.92       90.38
 7.59646987915039 |          1        1.92       92.31
 7.75318908691406 |          1        1.92       94.23
 7.93985748291016 |          1        1.92       96.15
 8.17587280273438 |          1        1.92       98.08
8.398063659667971 |          1        1.92      100.00
------------------+-----------------------------------
            Total |         52      100.00

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