Frequencies for partbl2yearsems variable in dapstate2013 dataset :

 Evaluation |
          & |
 management |
   services |      Freq.     Percent        Cum.
------------+-----------------------------------
    2,751.3 |          1        1.92        1.92
   2,816.57 |          1        1.92        3.85
   2,931.79 |          1        1.92        5.77
   2,993.43 |          1        1.92        7.69
   3,152.21 |          1        1.92        9.62
   3,159.76 |          1        1.92       11.54
   3,176.13 |          1        1.92       13.46
    3,211.8 |          1        1.92       15.38
   3,222.55 |          1        1.92       17.31
   3,332.43 |          1        1.92       19.23
   3,427.58 |          1        1.92       21.15
   3,461.27 |          1        1.92       23.08
   3,586.73 |          1        1.92       25.00
   3,592.54 |          1        1.92       26.92
   3,605.84 |          1        1.92       28.85
   3,629.89 |          1        1.92       30.77
   3,689.55 |          1        1.92       32.69
   3,813.65 |          1        1.92       34.62
   3,823.28 |          1        1.92       36.54
   3,867.03 |          1        1.92       38.46
   4,003.88 |          1        1.92       40.38
   4,107.63 |          1        1.92       42.31
   4,118.43 |          1        1.92       44.23
   4,174.19 |          1        1.92       46.15
   4,180.84 |          1        1.92       48.08
    4,219.2 |          1        1.92       50.00
    4,362.6 |          1        1.92       51.92
   4,375.21 |          1        1.92       53.85
    4,430.8 |          1        1.92       55.77
   4,469.36 |          1        1.92       57.69
   4,525.78 |          1        1.92       59.62
   4,660.55 |          1        1.92       61.54
    4,720.6 |          1        1.92       63.46
   4,748.78 |          1        1.92       65.38
   4,972.91 |          1        1.92       67.31
   5,197.53 |          1        1.92       69.23
   5,315.96 |          1        1.92       71.15
   5,460.77 |          1        1.92       73.08
   5,575.43 |          1        1.92       75.00
   5,644.91 |          1        1.92       76.92
   5,661.48 |          1        1.92       78.85
    5,760.1 |          1        1.92       80.77
   5,811.81 |          1        1.92       82.69
   5,827.02 |          1        1.92       84.62
   5,985.74 |          1        1.92       86.54
   6,013.63 |          1        1.92       88.46
   6,362.56 |          1        1.92       90.38
   6,514.94 |          1        1.92       92.31
    6,585.7 |          1        1.92       94.23
   7,130.01 |          1        1.92       96.15
   7,333.51 |          1        1.92       98.08
   8,130.26 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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