198411
198503
198911
199101
199101
199108
199202
199203
199211_
199212
199212
199302
199303
199303
199304
199305
199306
199308
199401
199409
199410
199502
199505
199507
199510
199510
199512
199512
199512
199603
199603
199604
199605
199610
199611
199611
199702
199704
199704
199705
199705
199705
199707
199709
199709
199710
199711
199801
199802
199802
199802
199803
199806
199807
199810
199812
199901
199902
199903
199906
199907
199908
199909
199911
200003
200005
200103
200107
200109
200110
200112
200403
200611
201110