I am a table with company name, articles and each of them has price and amount with a certain date
Company Article Price Amount Date
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X A1 10 3 12.03.2015
Y B1 20 5 10.01.2014
Z A1 30 9 25.12.2014
... ... ... ... ...
I want to create a chart with x as a date and y to be Prise beside the Article