Hide decimal points / floats on chart?

I can’t for the life of me figure out how to change the formatting of the numbers in this chart so that they omit the decimal points and trailing zeros (which are NOT dynamic and were manually entered as “1”, and “2”, etc.):

https://royalpalm.com/sold-properties/

Back in 2021, we had this chart fully populated with different values (ranging anywhere from 1 to 8 sales per month), and there were NO decimal points or trailing zeros. But when we flipped over to 2022 and reset all of the months / element values to “0” — and then added the first few sales to the chart — the decimals mysteriously appeared.

I’ve carefully compared the settings for the chart on our development site with the one on our production site, and I see absolutely no difference whatseover in any of the settings .. other than the obviously different numerical values.

Here is the same page on our development site for reference / comparison:

https://dev.royalpalm.com/sold-properties/

So how do I change the number formatting and get rid of the decimals? We want the numbers to display as “1” and “2” .. not “1.0” and “2.0”. Please advise.

https://royalpalm.com/sold-properties/

Thanks,
— Yvan