Charticulator, text objects not working as expected for data labels

Hello,

I am encountering a strange bug with charticulator when i try and place text objects. I am trying to create data labels for a simple bar chart.  When I place the text mark on the page, instead of getting one text object, I get an object for every data value for that category. 

I created sample data to build this chart, there are 4 values for every category. In the chart below, for category "0-5k", instead of seeing the sum of those 4 values, charticulator just lists every value. I am not sure if this is a bug or something I am doing wrong.

Any assistance will be appreciated.