That's a little to much to process. I suggest you either follow the links others provided, or post sample data. Include starting data, then what the ultimate data should look like once its ranked. Use this format for posting data:
DataSourceNameHere
Field1Name, Field2Name, Field3Name...
David, 12/13/2004, 18
Sally, 1/12/2009, 44
Tim, 2/26/2012, 51