These are for months in 1998:

February 1998
2039
1038
1519
1449
1223
1124
1049

March 1998
807
1173
1057
1026
786
605
804
906
776
792
608
955
848
772
826
642
755
911
819
755
680
542
871
806

April 1998
780
724
577
859
770
684
666
663
671
643
498
802
700
631
497
746
691
650

May 1998
589
401
487