Your can test by changing Filter (e.g. change Tiriamasis) in Pivot Table_visa_1sheet and see how diagram changes
KubiosHRV.ods (application/vnd.oasis.opendocument.spreadsheet), 444.02 KB, created by opensuse.lietuviu.kalba on 2012-04-25 00:25:07 UTC
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Creator: opensuse.lietuviu.kalba
Created: 2012-04-25 00:25:07 UTC
Size: 444.02 KB

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Attachments on bug 49131: 60556