Double-click the line, go to Data Labels tab, and select Values. Then click
a label once to select all the labels and click again to select the
individual label. Hit Delete to remove the selected label. Repeat for the
rest of the data points.
There may be an easier way, but I'm not aware of one in a PPT graph. In
Excel, you could link a textbox to the appropriate cell on the worksheet,
but you can't do that in PPT.

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Echo [MS PPT MVP] http://www.echosvoice.com
Fixing PowerPoint Annoyances http://www.oreilly.com/catalog/powerpointannoy/
PPTLive! Sept 17-20, 2006 http://www.pptlive.com
>I have a line chart in a Power Point slide that shows the monthly
>progression
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>
> Thanks very much