I have a small operation, 70 taps or so on buckets. I reamed 1/64 larger and 1/4" deaper this year to maybe get a good couple days yet at the end of the season. They all seamed to be running much better afterward in the short term. When I finished I tapped a boxelder for curiosity. I put two taps in it and 4 hours later my 5 gallon pail was inches from the top. They acted like I drilled a well. I am going to boil its sap all seperate to see what the rate is, (i'm sure poor) and how it tastes, but I thought that the amount of sap I collected so quickly was pretty amazing.
2016-two straws stuck in tree by the kids-1 pint syrup
2017-40 taps 8 gal. syrup
2018-70 taps...19 gal syrup
2019-90 taps....18.5 gal syrup
2020- 100 taps....25 gal syrup.....new oil barrel arch
2021- 85 taps....unknown season