My reply was "happens a good bit", and I would like to add that I have primarily red maples. I tap as early in the season as possible since the bud date is so early compared to sugars, and run gravity and shurflo on the 3/16. I always have to go back through and tap in a decent amount as the first couple weeks progress, otherwise vacuum is really affected.
Kody Boone
Self-Built 15x32 Sugar Shack
Custom-welded air-tight steel 2X6 Arch
Smokey Lake Hybrid Hobby Pro 2X6 Pan
2020 - 115 Taps on 3/16 gravity & 62 taps on 3/16 Shurflo - 177 Total
A very understanding and gracious wife!