PARAMETERS [Start Date] DateTime, [End Date] DateTime;
TRANSFORM Sum(Backup.pcssent) AS SumOfpcssent
SELECT Backup.matlcodes, Backup.description, Backup.itemunits, Sum(Backup.pcssent) AS Total, Avg(Backup.pcssent) AS Average
FROM Backup
WHERE (((Format([datedeliverd],"mmm/yyyy"))>=[Start Date] And (Format([datedeliverd],"mmm/yyyy"))<=[End Date]))
GROUP BY Backup.matlcodes, Backup.description, Backup.itemunits
ORDER BY Backup.matlcodes, Format([datedeliverd],"mmm/yyyy") DESC
PIVOT Format([datedeliverd],"mmm/yyyy");