LOSLVL,LOSLVLT A,Less than 1 year B,1 - 2 years C,3 - 4 years D,5 - 9 years E,10 - 14 years F,15 - 19 years G,20 - 24 years H,25 - 29 years I,30 - 34 years J,35 years or more Z,Unspecified