Display counter download

-- url of the page with the problem -- : matarreseditore.it/index.php/ebooks/product/9-rossetto-eb
-- HikaShop version -- : 2.6.1
-- Joomla version -- : 3.6.5
-- PHP version -- : 5.5.31
-- Browser(s) name and version -- : Versione 49.0.2623.112 (64-bit)

Hi,
I like to know, please, if it's possible to show in front end a counter of the downloaded product (eBook).

Thank you