SELECT COUNT(*) total_volume,
SUM(price) gross_sales,
DATE_TRUNC('month',block_timestamp) block_timestamp
FROM flow.core.ez_nft_sales
WHERE nft_collection ='A.0b2a3299cc857e29.TopShot'
GROUP BY DATE_TRUNC('month',block_timestamp)
ORDER BY DATE_TRUNC('month',block_timestamp) DESC
LIMIT 100;