Frequencies for a7_1_c3_2 variable in hcris2552_10_2017 dataset :

       land |
improvement |
          s |
    a700001 |
00200 00300 |      Freq.     Percent        Cum.
------------+-----------------------------------
   -3090718 |          1        0.03        0.03
   -1337753 |          1        0.03        0.05
       1100 |          1        0.03        0.08
       1293 |          1        0.03        0.11
       6117 |          1        0.03        0.13
      17160 |          1        0.03        0.16
      23306 |          1        0.03        0.19
      33997 |          1        0.03        0.21
      64744 |          1        0.03        0.24
      75000 |          1        0.03        0.27
     263464 |          1        0.03        0.29
     264962 |          1        0.03        0.32
     330648 |          1        0.03        0.35
    1139608 |          1        0.03        0.37
          . |      3,735       99.63      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2018