Total Shares Counter Issue

Hello there!

An issue we are facing that some page pages of our site not showing correct shares counts specially for Linkedin. Like this example URL of our site:
https://www.edarabia.com/schools/dubai/

this url have 517 total shares on linkedin but SUMOME showing just 2 shares for linkedin which i recently shared on linkedin. i also tested this url on different online social shares counter plateforms. All plateforms showing me 517 total shares for linkedin. here are some online social share counter plateforms URL:

https://developer.linkedin.com/plugins/share
https://www.sharedcount.com/#url=http%3A%2F%2Fwww.edarabia.com%2Fschools%2Fdubai%2F
https://www.seoreviewtools.com/bulk-linkedin-share-checker/

Why Sumome showing 0 shares for linkedin.
Please, Kindly guide us so we can get rid from these issues.

Thanks