Frequencies for first 10,000 rows of metallevel variable in plan2015 dataset :

 Metal Level |      Freq.     Percent        Cum.
-------------+-----------------------------------
      Bronze |      1,954       19.54       19.54
Catastrophic |        186        1.86       21.40
        Gold |      1,776       17.76       39.16
        High |        751        7.51       46.67
         Low |        807        8.07       54.74
    Platinum |        678        6.78       61.52
      Silver |      3,848       38.48      100.00
-------------+-----------------------------------
       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017