For your interest how it simply works by using Apple's Numbers
Bildschirmfoto 2012-12-30 um 05.14.55.png (image/png), 69.46 KB, created by wulfknight on 2012-12-30 05:34:30 UTC
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Creator: wulfknight
Created: 2012-12-30 05:34:30 UTC
Size: 69.46 KB

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