G'day hpeters,

Welcome to the monastery.

As already pointed out, you seem to be using the term "row" where you mean "column". Please provide a clarification on that.

If $VAR1 represents a row, then you have columns with names like 'rowN'. That seems somewhat strange and leads me to wonder if $VAR1 really does represent a row. Again, please clarify.

Assuming $VAR1 is a row and the keys shown are the column names, then you have two columns with the same name (i.e. 'row2'):

   'row2' => undef,
   'row2' => '36688.00',
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Perhaps a typo by you or a wrong assumption by me: either way, a correction or further clarification is required.