Frequencies for wksht_cd variable in hosp_alpha2552_96_2011_long dataset :

   wksht_cd |      Freq.     Percent        Cum.
------------+-----------------------------------
    A000000 |      1,431       33.12       33.12
    A81000A |        138        3.19       36.31
    A81000B |        176        4.07       40.38
    D100002 |         38        0.88       41.26
    D600001 |          8        0.19       41.45
    E10A180 |         33        0.76       42.21
    E10D180 |          2        0.05       42.26
    E11B180 |          3        0.07       42.33
    E12B180 |          6        0.14       42.47
    G200000 |         38        0.88       43.35
    H810000 |          1        0.02       43.37
    M51R180 |          2        0.05       43.42
    S000000 |        148        3.43       46.84
    S200000 |      2,240       51.84       98.68
    S300001 |         38        0.88       99.56
    S410000 |          4        0.09       99.65
    S500000 |          1        0.02       99.68
    S81R000 |         14        0.32      100.00
------------+-----------------------------------
      Total |      4,321      100.00

by Jean Roth , jroth@nber.org , 3 Sep 2018