SQLQuokkaSQLQuokkaA payments team reports transaction volume by month and country. state is either 'approved' or 'declined'. For each month (formatted 'YYYY-MM') and country that has at least one transaction, report the number of transactions, the number of approved transactions, the total amount and the approved amount. A month and country with no approved transactions shows 0 for both approved columns. Write an SQL query that returns month, country, trans_count, approved_count, trans_total_amount and approved_total_amount. Order the results by month, then country.
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