[Qgis-user] Numerical sorting in categorized style

[Jakub Weiner]

Good afternoon,
Is there anybody able to help me with setting QGIS to sort data for categorized coloring numerically? 
As you can see on the image enclosed, it's obviously sorting these numbers as a text. The attribute table does the same.
I will be very pleased, if somebody will give me an advice on this topic.
 
With the best regards,
 
Jakub Weiner
jakub at weiner.cz
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