That board shows one post as most liked because it got 2 most liked. Then clicking on that gets you to your post where it show 2 likes for that post.
I suspect you are looking for a count on likes for the board for the last 30 days which would get you a much higher number.
New Year's Day--Now is the accepted time to make your regular annual good resolutions. Next week you can begin paving hell with them as usual. - Mark Twain