I did okay in 2016, only 16 gallons for the year, however given that I *usually* only brew 1.7-2 gallons on average these days, that's not so bad. By exact count, I brewed 8 batches. I figure I did pretty good, as about 8-12 batches per year has been normal for me for many years.
Way back in 2012, I only brewed 4 batches the whole year, 12 gallons total. After a string of 7 contaminated batches in 2010 and 2011, I became very grumpy with beer and brewing, and took a hiatus to rethink my ways, and got distracted by educating myself about different obsessions...
...orcharding and cidermaking, which remain interests today and have been incorporated into my "brewing" schedule. Related to brewing, yes, kind of, but a little different slant, as you don't actually "brew" a cider, and you can't "brew" a friggin fruit tree or bush in the back yard. So that's been cool. You should see my little orchard now... I have 3 apple trees with 7 varieties (I learned to graft), one cherry, an enormous raspberry bush, 3 blackberry plants, a gooseberry bush. It's fun. It does take a bit of time to maintain, mostly in the summer.
For whatever else it's worth (not much), I already brewed my first 6 gallons of 2017 on 1/1/17. A split 6-gallon batch (rare for me!) of porter and schwarzbier. It was going to be all porter, but I had fresh lager yeast on hand, so I figured, what the heck, why not.