Table with total per month I created a table with operations sorted by date. How to display a second array with the total transaction per month ?

I want to show by example the total in September 2016, the total amount of August 2016 ...

Table should display one line per month with the total amount of transactions.





The same month are not grouped :-(
I would recommend trying to use  Views Aggregator Plus

See Example here: https://www.drupal.org/node/2361413
It says a similar thing would work(aggregate and group by column).

God Bless.