I don't know what 1/6 is as a percentage off the top of my head though, whereas I know that 1/5 = 20%. So either the journalist didn't know either, or thought t

I don't know what 1/6 is as a percentage off the top of my head though, whereas I know that 1/5 = 20%. So either the journalist didn't know either, or thought that enough of the population didn't know and that 1/5 was more informative.