Frequencies for partbl2yearsproc variable in dapstate2012 dataset :

 Procedures |      Freq.     Percent        Cum.
------------+-----------------------------------
   1,418.13 |          1        1.92        1.92
   1,531.06 |          1        1.92        3.85
   1,716.14 |          1        1.92        5.77
   1,734.25 |          1        1.92        7.69
   1,756.26 |          1        1.92        9.62
   1,758.97 |          1        1.92       11.54
   1,788.92 |          1        1.92       13.46
   1,825.46 |          1        1.92       15.38
   1,825.75 |          1        1.92       17.31
   1,846.62 |          1        1.92       19.23
   1,921.29 |          1        1.92       21.15
   1,966.65 |          1        1.92       23.08
   1,968.22 |          1        1.92       25.00
   1,974.96 |          1        1.92       26.92
   1,979.73 |          1        1.92       28.85
   1,988.95 |          1        1.92       30.77
   1,997.15 |          1        1.92       32.69
   2,008.37 |          1        1.92       34.62
   2,024.38 |          1        1.92       36.54
   2,028.37 |          1        1.92       38.46
   2,034.47 |          1        1.92       40.38
   2,035.95 |          1        1.92       42.31
   2,062.28 |          1        1.92       44.23
    2,133.6 |          1        1.92       46.15
   2,133.83 |          1        1.92       48.08
   2,148.44 |          1        1.92       50.00
    2,155.4 |          1        1.92       51.92
   2,157.49 |          1        1.92       53.85
   2,175.73 |          1        1.92       55.77
   2,251.72 |          1        1.92       57.69
   2,269.18 |          1        1.92       59.62
    2,313.6 |          1        1.92       61.54
   2,317.02 |          1        1.92       63.46
    2,350.3 |          1        1.92       65.38
   2,368.71 |          1        1.92       67.31
   2,374.23 |          1        1.92       69.23
   2,395.56 |          1        1.92       71.15
   2,414.64 |          1        1.92       73.08
   2,434.68 |          1        1.92       75.00
   2,445.72 |          1        1.92       76.92
   2,458.48 |          1        1.92       78.85
   2,471.96 |          1        1.92       80.77
   2,484.34 |          1        1.92       82.69
   2,616.68 |          1        1.92       84.62
   2,695.97 |          1        1.92       86.54
   2,796.46 |          1        1.92       88.46
   2,986.42 |          1        1.92       90.38
   3,151.47 |          1        1.92       92.31
   3,182.69 |          1        1.92       94.23
    3,219.4 |          1        1.92       96.15
    3,348.1 |          1        1.92       98.08
   3,652.65 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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