Frequencies for partbl2yearsproc variable in dapstate2013 dataset :

 Procedures |      Freq.     Percent        Cum.
------------+-----------------------------------
   1,450.71 |          1        1.92        1.92
   1,505.08 |          1        1.92        3.85
   1,661.22 |          1        1.92        5.77
   1,699.85 |          1        1.92        7.69
   1,726.16 |          1        1.92        9.62
   1,766.98 |          1        1.92       11.54
    1,768.6 |          1        1.92       13.46
   1,779.43 |          1        1.92       15.38
   1,808.72 |          1        1.92       17.31
   1,819.86 |          1        1.92       19.23
    1,834.5 |          1        1.92       21.15
    1,915.5 |          1        1.92       23.08
   1,929.59 |          1        1.92       25.00
   1,955.27 |          1        1.92       26.92
   1,965.84 |          1        1.92       28.85
   1,967.48 |          1        1.92       30.77
   1,969.39 |          1        1.92       32.69
    1,990.7 |          1        1.92       34.62
   1,990.93 |          1        1.92       36.54
   2,012.26 |          1        1.92       38.46
   2,021.83 |          1        1.92       40.38
   2,050.15 |          1        1.92       42.31
    2,056.9 |          1        1.92       44.23
      2,071 |          1        1.92       46.15
   2,085.06 |          1        1.92       48.08
   2,092.71 |          1        1.92       50.00
   2,106.11 |          1        1.92       51.92
   2,139.38 |          1        1.92       53.85
   2,166.03 |          1        1.92       55.77
   2,210.75 |          1        1.92       57.69
   2,213.95 |          1        1.92       59.62
   2,281.66 |          1        1.92       61.54
   2,289.22 |          1        1.92       63.46
   2,297.33 |          1        1.92       65.38
   2,388.54 |          1        1.92       67.31
   2,389.58 |          1        1.92       69.23
   2,391.05 |          1        1.92       71.15
   2,428.16 |          1        1.92       73.08
   2,434.93 |          1        1.92       75.00
    2,455.2 |          1        1.92       76.92
   2,465.48 |          1        1.92       78.85
    2,477.6 |          1        1.92       80.77
   2,513.94 |          1        1.92       82.69
   2,540.27 |          1        1.92       84.62
   2,575.35 |          1        1.92       86.54
   2,822.53 |          1        1.92       88.46
   2,997.67 |          1        1.92       90.38
   3,140.34 |          1        1.92       92.31
   3,173.16 |          1        1.92       94.23
   3,258.14 |          1        1.92       96.15
   3,312.29 |          1        1.92       98.08
   3,694.78 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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