I have data that looks like th following

A B
01/08/05 4009 How do I get Excel to calculate how often each
number
01/15/05 4179 was presented in a chart to look like the
following
01/15/05 5140
01/22/05 4009 3
01/31/05 4009 2
1
4009 4179 5140
Job Number

Help Please.