Frequencies for partbl2yearsproc variable in dapstate2011 dataset :

 Procedures |      Freq.     Percent        Cum.
------------+-----------------------------------
   1,366.37 |          1        1.92        1.92
   1,518.93 |          1        1.92        3.85
   1,711.82 |          1        1.92        5.77
   1,727.73 |          1        1.92        7.69
    1,777.9 |          1        1.92        9.62
   1,791.47 |          1        1.92       11.54
   1,805.67 |          1        1.92       13.46
    1,806.9 |          1        1.92       15.38
   1,824.22 |          1        1.92       17.31
    1,827.2 |          1        1.92       19.23
   1,896.04 |          1        1.92       21.15
   1,900.46 |          1        1.92       23.08
      1,924 |          1        1.92       25.00
   1,973.87 |          1        1.92       26.92
   1,982.65 |          1        1.92       28.85
   1,988.47 |          1        1.92       30.77
   2,008.13 |          1        1.92       32.69
   2,026.02 |          1        1.92       34.62
   2,029.05 |          1        1.92       36.54
   2,029.52 |          1        1.92       38.46
   2,036.12 |          1        1.92       40.38
   2,045.57 |          1        1.92       42.31
      2,061 |          1        1.92       44.23
   2,062.49 |          1        1.92       46.15
   2,066.56 |          1        1.92       48.08
   2,068.57 |          1        1.92       50.00
   2,104.18 |          1        1.92       51.92
   2,109.53 |          1        1.92       53.85
   2,146.79 |          1        1.92       55.77
   2,176.35 |          1        1.92       57.69
   2,185.08 |          1        1.92       59.62
   2,223.61 |          1        1.92       61.54
   2,231.09 |          1        1.92       63.46
   2,292.27 |          1        1.92       65.38
   2,309.61 |          1        1.92       67.31
    2,317.4 |          1        1.92       69.23
    2,374.8 |          1        1.92       71.15
   2,380.54 |          1        1.92       73.08
   2,399.53 |          1        1.92       75.00
    2,434.2 |          1        1.92       76.92
   2,438.92 |          1        1.92       78.85
   2,445.97 |          1        1.92       80.77
   2,468.14 |          1        1.92       82.69
   2,557.68 |          1        1.92       84.62
   2,620.34 |          1        1.92       86.54
   2,717.74 |          1        1.92       88.46
   2,920.83 |          1        1.92       90.38
   2,979.75 |          1        1.92       92.31
   3,049.11 |          1        1.92       94.23
   3,058.54 |          1        1.92       96.15
    3,224.7 |          1        1.92       98.08
   3,576.49 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

by Jean Roth , jroth@nber.org , 14 Mar 2018