0000877318-00-000026 SC 13G 1 20000210 POLYMER GROUP INC 0000927417 2221 571003983 DE 0103 SC 13G 34 005-46353 530893 4838 JENKINS AVE NORTH CHARLESTON SC 29405 8037445174 4838 JENKINS AVENUE NORTH CHARLESTON SC 29405 FIRST PACIFIC ADVISORS INC /CA/ /ADV 0000877318 0000 043118452 MA 1231 SC 13G 11400 W OLYMPIC BLVD STE 1200 LOS ANGELES CA 90064 3109965436 FIRST PACIFIC ADVISORS INC/CA/ /ADV 19930727 SC 13G 1 000087731800000026-001-seq1-sc-13g.txt 12/31/1999 POLYMER GROUP, INC. 13G FILING