Typically, the week-to-week changes in crude oil and gasoline inventories are reported, generally also with change in distillate inventories and sometimes with the refinery utilization rate.
Whisky (the preferred spelling in Japan, as in Scotland, is without an "e") is the distillate that most defines upper-end Japanese bars and has done much to shape it.
If it is that good of a liquor (or even wine), wouldnt that kind of quality evalate the flavor, appreciation and enjoyment of a drink just that much more BECAUSE it is such a fine distillate?