work  number weight
I      0      386
I      1      141
I      2       34
I      3       15
I      4        2

II      0      424
II      1      152
II      2       35
II      3       14
II      4        2

III      0      192
III      1       86
III      2       28
III      3       11
III      4        2

IV      0      128
IV      1       48
IV      2        5
IV      3        5
IV      4        1

V      0       42
V      1       29
V      2       19
V      3       10
V      4        2