Calculate and returns statistics about results for this component from all
submission to this webform. The output of this function will be displayed
under the "results" tab then "analysis".
Return the header information for this component to be displayed in a comma
seperated value file. The output of this function will be displayed under
the "results" tab then "download".
function _webform_table_data_select
Return the result of this component's submission for display in a table. The output of this function will be displayed under the "results" tab then "table"