This is one of my biggest pet peeves---GDP is a rate! The units are often quoted as dollars [or equivalent] but they're actually dollars/year. Or, put another

This is one of my biggest pet peeves---GDP is a rate! The units are often quoted as dollars [or equivalent] but they're actually dollars/year. Or, put another way, they're the rate, but integrated over a definite time period (1 year) from which you can only extract an average rate.