There is no system to generate that as far as I can see.
Would you have used HikaMarket Multivendor with each artist being a vendor, then yes, it would be easy to generate such statistics.
Using brands, I'm afraid you'll have to generate the stats yourself.
Now, you can do that with just a MySQL query in your PHPMyAdmin.
Something like that:
SELECT c.category_name AS artist, SUM((op.order_product_price+op.order_product_tax)*op.order_product_quantity) AS sales FROM #__hikashop_product AS p
LEFT JOIN #_hikashop_order_product AS op ON p.product_id = op.product_id
LEFT JOIN #__hikashop_order AS o ON op.order_id = o.order_id
LEFT JOIN #__hikashop_category AS c ON p.product_manufacturer_id = c.category_id WHERE o.order_status = 'confirmed' GROUP BY p.product_manufacturer_id
Now this is not tested, and it won't work if you have variants as you need one more JOIN, but that's a basic example of the MySQL you need to do to get the results.
HIKASHOP ESSENTIAL 49,95€The basic version. With the main features for a little shop.
HIKAMARKETAdd-on Create a multivendor platform. Enable many vendors on your website.
HIKASERIALAdd-on Sale e-tickets, vouchers, gift certificates, serial numbers and more!
MARKETPLACEPlugins, modules and other kinds of integrations for HikaShop
HIKAAUCTION 40€Add-on Create auctions and let your customers bid for products.
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