case_code	case_text
3	Selected characteristic by detailed industry	
A	Industry division or selected characteristic by age	
E	Industry division or selected characteristic by detailed event or exposure	
G	Industry division or selected characteristic by gender	
H	Industry division or selected characteristic by hours at work	
L	Industry division or selected characteristic by length of service	
M	Industry division or selected characteristic by special combinations	
N	Industry division or selected characteristic by detailed nature of condition	
O	Industry division or selected characteristic by detailed occupation	
P	Industry division or selected characteristic by detailed part of body affected	
R	Industry division or selected characteristic by race or ethnicity	
S	Industry division or selected characteristic by detailed source of injury/illness	
T	Industry division or selected characteristic by time of day	
W	Industry division or selected characteristic by day of week