Per year. (Comparisons involving both stock and flow measures are somewhat dodgy, but they’re made all the time (debt/GDP, annual rent/house price, unicorns/re

Per year. (Comparisons involving both stock and flow measures are somewhat dodgy, but they’re made all the time (debt/GDP, annual rent/house price, unicorns/revenue)). Edit to add: they’re not really dodgy per se, but the result is a rate, ie has a time dimension.