Frequencies for partbl2yearsimag variable in dapstate2010 dataset :

    Imaging |      Freq.     Percent        Cum.
------------+-----------------------------------
   516.6104 |          1        1.92        1.92
   582.7549 |          1        1.92        3.85
   603.7583 |          1        1.92        5.77
   644.1598 |          1        1.92        7.69
   675.9434 |          1        1.92        9.62
   685.6587 |          1        1.92       11.54
   703.5891 |          1        1.92       13.46
   711.5812 |          1        1.92       15.38
   712.3809 |          1        1.92       17.31
   725.4652 |          1        1.92       19.23
   733.2318 |          1        1.92       21.15
   751.5249 |          1        1.92       23.08
   778.2869 |          1        1.92       25.00
   809.2714 |          1        1.92       26.92
   816.1294 |          1        1.92       28.85
    822.967 |          1        1.92       30.77
   843.8584 |          1        1.92       32.69
   844.3927 |          1        1.92       34.62
   858.9271 |          1        1.92       36.54
   868.5974 |          1        1.92       38.46
   873.7428 |          1        1.92       40.38
   879.4498 |          1        1.92       42.31
   896.8858 |          1        1.92       44.23
   902.9555 |          1        1.92       46.15
   903.1108 |          1        1.92       48.08
   905.7752 |          1        1.92       50.00
    908.658 |          1        1.92       51.92
   908.7556 |          1        1.92       53.85
   922.0458 |          1        1.92       55.77
   932.4366 |          1        1.92       57.69
   943.1569 |          1        1.92       59.62
   976.3079 |          1        1.92       61.54
   991.8274 |          1        1.92       63.46
   1,008.29 |          1        1.92       65.38
   1,030.67 |          1        1.92       67.31
   1,035.18 |          1        1.92       69.23
    1,040.2 |          1        1.92       71.15
   1,050.41 |          1        1.92       73.08
   1,070.81 |          1        1.92       75.00
   1,081.91 |          1        1.92       76.92
   1,095.28 |          1        1.92       78.85
   1,129.01 |          1        1.92       80.77
   1,142.52 |          1        1.92       82.69
   1,209.72 |          1        1.92       84.62
   1,291.83 |          1        1.92       86.54
   1,373.93 |          1        1.92       88.46
   1,416.15 |          1        1.92       90.38
   1,427.42 |          1        1.92       92.31
   1,444.05 |          1        1.92       94.23
   1,485.96 |          1        1.92       96.15
   1,563.96 |          1        1.92       98.08
   1,638.13 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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