level_code	level_name
00	Overall occupation average (no work level)	0 	T	1    
01	Level 01	1 	T	2    
02	Level 02	1 	T	3    
03	Level 03	1 	T	4    
04	Level 04	1 	T	5    
05	Level 05	1 	T	6    
06	Level 06	1 	T	7    
07	Level 07	1 	T	8    
08	Level 08	1 	T	9    
09	Level 09	1 	T	10   
10	Level 10	1 	T	11   
11	Level 11	1 	T	12   
12	Level 12	1 	T	13   
13	Level 13	1 	T	14   
14	Level 14	1 	T	15   
15	Level 15	1 	T	16   
99	Not able to be leveled	1 	T	17