You might find an answer by searching Jacob Seabstian's blog.
If not, please post a (fake) sample of your current data nd your expected result.
We might be able to help you based on that.
Lutz
A pessimist is an optimist with experience. How to get fast answers to your question[/url]
How to post performance related questions[/url]
Links for Tally Table [/url] , Cross Tabs [/url] and Dynamic Cross Tabs [/url], Delimited Split Function[/url]